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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:40:00,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:40:00,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:40:00,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:40:00,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:40:00,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:40:00,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:40:00,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:40:00,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:40:00,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:40:00,215 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:40:00,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:40:00,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:40:00,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:40:00,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:40:00,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:40:00,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:40:00,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:40:00,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:40:00,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:40:00,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:40:00,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:40:00,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:40:00,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:40:00,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-15 00:40:00,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 00:40:00,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 00:40:00,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 00:40:00,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 00:40:00,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 00:40:00,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 00:40:00,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 00:40:00,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 00:40:00,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:40:00,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:40:00,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:40:00,239 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 00:40:00,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:40:00,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:40:00,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:40:00,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:40:00,255 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:40:00,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:40:00,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:40:00,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:40:00,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:40:00,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:40:00,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:40:00,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:40:00,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:40:00,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:40:00,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:40:00,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:40:00,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:40:00,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:40:00,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:40:00,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:40:00,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:40:00,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:40:00,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:40:00,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:40:00,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:40:00,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:40:00,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:40:00,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:40:00,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:40:00,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:40:00,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:40:00,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:40:00,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:40:00,315 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:40:00,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:40:00,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21741c31c/d6b8b15a06d04133a5f93a3469bbbe98/FLAGc1f317a7d [2019-08-15 00:40:00,938 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:40:00,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:40:00,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21741c31c/d6b8b15a06d04133a5f93a3469bbbe98/FLAGc1f317a7d [2019-08-15 00:40:01,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21741c31c/d6b8b15a06d04133a5f93a3469bbbe98 [2019-08-15 00:40:01,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:40:01,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:40:01,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:40:01,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:40:01,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:40:01,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:40:01" (1/1) ... [2019-08-15 00:40:01,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2def95e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:01, skipping insertion in model container [2019-08-15 00:40:01,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:40:01" (1/1) ... [2019-08-15 00:40:01,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:40:01,307 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:40:01,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:40:01,834 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:40:02,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:40:02,156 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:40:02,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02 WrapperNode [2019-08-15 00:40:02,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:40:02,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:40:02,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:40:02,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:40:02,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02" (1/1) ... [2019-08-15 00:40:02,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02" (1/1) ... [2019-08-15 00:40:02,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02" (1/1) ... [2019-08-15 00:40:02,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02" (1/1) ... [2019-08-15 00:40:02,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02" (1/1) ... [2019-08-15 00:40:02,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02" (1/1) ... [2019-08-15 00:40:02,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02" (1/1) ... [2019-08-15 00:40:02,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:40:02,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:40:02,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:40:02,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:40:02,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:40:02" (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 00:40:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:40:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:40:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:40:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:40:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:40:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:40:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-15 00:40:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:40:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:40:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:40:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:40:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:40:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:40:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:40:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:40:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:40:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:40:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:40:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:40:03,671 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:40:03,673 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:40:03,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:40:03 BoogieIcfgContainer [2019-08-15 00:40:03,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:40:03,675 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:40:03,675 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:40:03,675 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:40:03,676 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:40:03" (1/1) ... [2019-08-15 00:40:04,000 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-08-15 00:40:04,175 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-08-15 00:40:27,041 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-15 00:40:27,043 INFO L168 Benchmark]: Toolchain (without parser) took 25824.94 ms. Allocated memory was 139.5 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 85.8 MB in the beginning and 170.9 MB in the end (delta: -85.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-08-15 00:40:27,044 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-15 00:40:27,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 939.05 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 85.6 MB in the beginning and 167.2 MB in the end (delta: -81.6 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-08-15 00:40:27,046 INFO L168 Benchmark]: Boogie Preprocessor took 132.77 ms. Allocated memory is still 201.9 MB. Free memory was 167.2 MB in the beginning and 163.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-08-15 00:40:27,047 INFO L168 Benchmark]: RCFGBuilder took 1382.93 ms. Allocated memory was 201.9 MB in the beginning and 224.9 MB in the end (delta: 23.1 MB). Free memory was 163.1 MB in the beginning and 177.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. [2019-08-15 00:40:27,049 INFO L168 Benchmark]: Symbolic Interpretation took 23366.59 ms. Allocated memory was 224.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 177.8 MB in the beginning and 170.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-08-15 00:40:27,053 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 970]: 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 96619#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= main_~__tmp_8~0 main_~assert__arg~7) (not (<= 3 (mod ~r1~0 256))) (= ~__return_848~0 main_~check__tmp~7) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= 0 main_~check__tmp~7) (= main_~main__c1~0 ~__return_848~0) (or (= ~mode3~0 0) (and (= ~mode3~0 0) (= ~st2~0 1) (= ~mode2~0 0) (= ~mode1~0 0))) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 301]: 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 126507#(or (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (< ~id3~0 main_~node3__m3~1)) (= ~id3~0 main_~node3__m3~1) (= main_~__tmp_2~0 main_~assert__arg~1) (= 0 ~mode3~0) (not (= main_~node1__m1~1 ~nomsg~0)) (= main_~main__c1~0 ~__return_1146~0) (= main_~node1__m1~1 ~id1~0) (= 0 main_~check__tmp~1) (not (< ~id1~0 main_~node1__m1~1)) (= ~p3_new~0 ~nomsg~0) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~st1~0 1) (= main_~node2__m2~1 ~id2~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (not (< ~id2~0 main_~node2__m2~1)) (= 0 ~mode1~0) (not (= ~nomsg~0 main_~node3__m3~1)) (= ~st2~0 1) (= ~st3~0 1) (= ~__return_1146~0 main_~check__tmp~1) (not (= ~nomsg~0 main_~node2__m2~1)) (= 0 ~mode2~0)) (and (= main_~main__c1~0 ~__return_1296~0) (= main_~check__tmp~16 ~__return_1296~0) (= main_~__tmp_2~0 main_~assert__arg~1) (= (mod main_~assert__arg~1 256) 0) (= main_~__tmp_2~0 (ite (= main_~main__c1~0 0) 0 1)))). Possible FailurePath: - UnprovableResult [Line: 1212]: 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 63166#(and (= (mod main_~assert__arg~9 256) 0) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= ~__return_766~0 main_~check__tmp~9) (not (< ~id1~0 main_~node1__m1~5)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_10~0) (= main_~assert__arg~9 main_~__tmp_10~0) (not (= main_~node1__m1~5 ~nomsg~0)) (= 0 ~mode3~0) (not (< ~id3~0 main_~node3__m3~7)) (= 0 ~mode1~0) (= 0 main_~check__tmp~9) (= ~id3~0 main_~node3__m3~7) (= ~st3~0 1) (= ~nomsg~0 main_~node2__m2~6) (= main_~main__c1~0 ~__return_766~0) (not (= ~nomsg~0 main_~node3__m3~7)) (= ~p3_new~0 ~nomsg~0) (= main_~node1__m1~5 ~id1~0) (= 0 ~mode2~0) (= ~st1~0 1)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= ~__return_766~0 main_~check__tmp~9) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_10~0) (= main_~assert__arg~9 main_~__tmp_10~0) (= ~mode1~0 0) (= 0 ~mode3~0) (not (< ~id3~0 main_~node3__m3~7)) (= 0 main_~check__tmp~9) (= ~id3~0 main_~node3__m3~7) (= ~st3~0 1) (= ~mode2~0 0) (= main_~main__c1~0 ~__return_766~0) (not (= ~nomsg~0 main_~node3__m3~7)) (= ~p3_new~0 ~nomsg~0) (= ~st1~0 1)))). Possible FailurePath: - UnprovableResult [Line: 1427]: 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 103786#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= 0 (mod main_~assert__arg~11 256)) (= 0 main_~check__tmp~11) (not (<= 3 (mod ~r1~0 256))) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= ~id3~0 main_~node3__m3~8) (= 0 ~mode3~0) (not (< ~id3~0 main_~node3__m3~8)) (= ~__return_672~0 main_~check__tmp~11) (= main_~main__c1~0 ~__return_672~0) (= main_~assert__arg~11 main_~__tmp_12~0) (= ~st3~0 1) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_12~0) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= ~p3_new~0 ~nomsg~0) (or (and (= ~mode2~0 0) (= ~mode1~0 0)) (= ~mode2~0 0))). Possible FailurePath: - UnprovableResult [Line: 1652]: 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 63156#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~mode3~0 0) (not (<= 3 (mod ~r1~0 256))) (= main_~main__c1~0 ~__return_593~0) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= ~__return_593~0 main_~check__tmp~13) (= (mod main_~assert__arg~13 256) 0) (= 0 main_~check__tmp~13) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_14~0) (= ~p3_new~0 ~nomsg~0) (= main_~assert__arg~13 main_~__tmp_14~0)). Possible FailurePath: - UnprovableResult [Line: 756]: 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 63190#(and (= main_~main__c1~0 ~__return_942~0) (= main_~__tmp_6~0 main_~assert__arg~5) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= ~__return_942~0 main_~check__tmp~5) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 main_~check__tmp~5) (or (= ~mode3~0 0) (and (= ~mode3~0 0) (= ~st2~0 1) (= ~mode2~0 0) (= ~mode1~0 0) (= ~st1~0 1))) (= (mod main_~assert__arg~5 256) 0)). Possible FailurePath: - UnprovableResult [Line: 526]: 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 96635#(and (= 0 (mod main_~assert__arg~3 256)) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_1035~0) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= main_~__tmp_4~0 main_~assert__arg~3) (= 0 main_~check__tmp~3) (= ~__return_1035~0 main_~check__tmp~3) (or (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (or (and (= 0 ~mode1~0) (= main_~node1__m1~1 ~nomsg~0)) (and (= 0 ~mode1~0) (or (and (not (= main_~node1__m1~1 ~id1~0)) (not (< ~id1~0 main_~node1__m1~1)) (= ~send1~0 main_~node1__m1~1) (not (= main_~node1__m1~1 ~nomsg~0))) (and (< ~id1~0 main_~node1__m1~1) (= ~send1~0 main_~node1__m1~1) (not (= main_~node1__m1~1 ~nomsg~0)))))) (= ~id3~0 main_~node3__m3~2) (not (= ~nomsg~0 main_~node2__m2~2)) (= 0 ~mode3~0) (= ~st2~0 1) (= ~st3~0 1) (not (= ~nomsg~0 main_~node3__m3~2)) (not (< ~id2~0 main_~node2__m2~2)) (not (< ~id3~0 main_~node3__m3~2)) (= ~p3_new~0 ~nomsg~0) (= main_~node2__m2~2 ~id2~0) (= 0 ~mode2~0)) (and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~id3~0 main_~node3__m3~2) (not (= ~nomsg~0 main_~node2__m2~2)) (= 0 ~mode3~0) (= 0 ~mode1~0) (= ~st2~0 1) (= ~st3~0 1) (not (= ~nomsg~0 main_~node3__m3~2)) (= main_~node1__m1~2 ~nomsg~0) (not (< ~id2~0 main_~node2__m2~2)) (not (< ~id3~0 main_~node3__m3~2)) (= ~p3_new~0 ~nomsg~0) (= main_~node2__m2~2 ~id2~0) (= 0 ~mode2~0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 939.05 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 85.6 MB in the beginning and 167.2 MB in the end (delta: -81.6 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.77 ms. Allocated memory is still 201.9 MB. Free memory was 167.2 MB in the beginning and 163.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1382.93 ms. Allocated memory was 201.9 MB in the beginning and 224.9 MB in the end (delta: 23.1 MB). Free memory was 163.1 MB in the beginning and 177.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 23366.59 ms. Allocated memory was 224.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 177.8 MB in the beginning and 170.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...