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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:19:12,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:19:12,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:19:12,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:19:12,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:19:12,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:19:12,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:19:12,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:19:12,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:19:12,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:19:12,373 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:19:12,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:19:12,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:19:12,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:19:12,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:19:12,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:19:12,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:19:12,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:19:12,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:19:12,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:19:12,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:19:12,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:19:12,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:19:12,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:19:12,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-15 00:19:12,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-15 00:19:12,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-15 00:19:12,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-15 00:19:12,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-15 00:19:12,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-15 00:19:12,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 00:19:12,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 00:19:12,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 00:19:12,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 00:19:12,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 00:19:12,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 00:19:12,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 00:19:12,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 00:19:12,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:19:12,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:19:12,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:19:12,425 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 00:19:12,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:19:12,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:19:12,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:19:12,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:19:12,448 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:19:12,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:19:12,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:19:12,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:19:12,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:19:12,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:19:12,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:19:12,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:19:12,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:19:12,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:19:12,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:19:12,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:19:12,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:19:12,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:19:12,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:19:12,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:19:12,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:19:12,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:19:12,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:19:12,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:19:12,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:19:12,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:19:12,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:19:12,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:19:12,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:19:12,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:19:12,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:19:12,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:19:12,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:19:12,533 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:19:12,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-15 00:19:12,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c086c393/3d39229474e5499aaf7f20fac59d5ee5/FLAG74f0ffc09 [2019-08-15 00:19:13,247 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:19:13,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-15 00:19:13,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c086c393/3d39229474e5499aaf7f20fac59d5ee5/FLAG74f0ffc09 [2019-08-15 00:19:13,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c086c393/3d39229474e5499aaf7f20fac59d5ee5 [2019-08-15 00:19:13,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:19:13,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:19:13,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:19:13,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:19:13,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:19:13,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:19:13" (1/1) ... [2019-08-15 00:19:13,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4567e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:13, skipping insertion in model container [2019-08-15 00:19:13,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:19:13" (1/1) ... [2019-08-15 00:19:13,456 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:19:13,615 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:19:14,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:19:14,832 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:19:15,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:19:15,284 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:19:15,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15 WrapperNode [2019-08-15 00:19:15,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:19:15,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:19:15,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:19:15,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:19:15,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15" (1/1) ... [2019-08-15 00:19:15,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15" (1/1) ... [2019-08-15 00:19:15,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15" (1/1) ... [2019-08-15 00:19:15,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15" (1/1) ... [2019-08-15 00:19:15,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15" (1/1) ... [2019-08-15 00:19:15,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15" (1/1) ... [2019-08-15 00:19:15,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15" (1/1) ... [2019-08-15 00:19:15,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:19:15,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:19:15,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:19:15,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:19:15,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:19:15" (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 00:19:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:19:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:19:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:19:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:19:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:19:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:19:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-15 00:19:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:19:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:19:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:19:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:19:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:19:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:19:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:19:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-15 00:19:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:19:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:19:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:19:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:19:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:19:19,076 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:19:19,076 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:19:19,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:19:19 BoogieIcfgContainer [2019-08-15 00:19:19,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:19:19,080 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:19:19,080 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:19:19,080 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:19:19,082 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:19:19" (1/1) ... [2019-08-15 00:19:21,160 WARN L188 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 422 [2019-08-15 00:19:22,864 WARN L188 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 424 [2019-08-15 00:22:06,824 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-15 00:22:06,827 INFO L168 Benchmark]: Toolchain (without parser) took 173387.97 ms. Allocated memory was 132.1 MB in the beginning and 3.2 GB in the end (delta: 3.1 GB). Free memory was 80.0 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-08-15 00:22:06,828 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-15 00:22:06,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1847.73 ms. Allocated memory was 132.1 MB in the beginning and 218.6 MB in the end (delta: 86.5 MB). Free memory was 79.8 MB in the beginning and 110.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. [2019-08-15 00:22:06,832 INFO L168 Benchmark]: Boogie Preprocessor took 272.97 ms. Allocated memory is still 218.6 MB. Free memory was 110.7 MB in the beginning and 93.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-15 00:22:06,837 INFO L168 Benchmark]: RCFGBuilder took 3517.88 ms. Allocated memory was 218.6 MB in the beginning and 367.5 MB in the end (delta: 148.9 MB). Free memory was 93.9 MB in the beginning and 172.3 MB in the end (delta: -78.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-08-15 00:22:06,838 INFO L168 Benchmark]: Symbolic Interpretation took 167744.86 ms. Allocated memory was 367.5 MB in the beginning and 3.2 GB in the end (delta: 2.8 GB). Free memory was 172.3 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2019-08-15 00:22:06,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1448]: 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 1406418#(and (= 0 (mod main_~assert__arg~8 256)) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_9~0 main_~assert__arg~8) (or (and (= ~mode3~0 0) (= ~st2~0 1) (= ~st3~0 1) (= ~mode2~0 0) (= ~mode1~0 0) (= ~mode4~0 0)) (= ~mode4~0 0)) (= main_~main__c1~0 ~__return_22606~0) (= 0 main_~check__tmp~8) (= main_~__tmp_9~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0) (= ~__return_22606~0 main_~check__tmp~8)). Possible FailurePath: - UnprovableResult [Line: 1363]: 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 1406361#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~mode3~0 0) (= main_~main__c1~0 ~__return_22053~0) (= main_~__tmp_8~0 main_~assert__arg~7) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~7) (not (= ~nomsg~0 main_~node4__m4~4)) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (not (= 0 (mod ~alive4~0 256))) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (not (< ~id4~0 main_~node4__m4~4)) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= ~__return_22053~0 main_~check__tmp~7) (= ~id4~0 main_~node4__m4~4)). Possible FailurePath: - UnprovableResult [Line: 621]: 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 1406115#(and (= 0 (mod main_~assert__arg~2 256)) (or (and (= main_~__tmp_3~0 main_~assert__arg~2) (= main_~__tmp_3~0 (ite (= main_~main__c1~0 0) 0 1))) (and (= ~st4~0 1) (= ~mode3~0 0) (= main_~check__tmp~13 0) (= ~st3~0 1) (= ~mode4~0 0)))). Possible FailurePath: - UnprovableResult [Line: 1714]: 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 1274359#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= 0 main_~check__tmp~11) (= ~mode3~0 0) (= 0 (mod main_~assert__arg~10 256)) (= ~nomsg~0 ~p4_new~0) (= ~__return_19892~0 main_~main__c1~0) (not (< ~id4~0 main_~node4__m4~6)) (not (= ~nomsg~0 main_~node4__m4~6)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_11~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (not (= 0 (mod ~alive4~0 256))) (= ~id4~0 main_~node4__m4~6) (= ~__return_19892~0 main_~check__tmp~11) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0) (= main_~assert__arg~10 main_~__tmp_11~0)). Possible FailurePath: - UnprovableResult [Line: 1974]: 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 1274303#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~__return_21895~0 main_~check__tmp~14) (= 0 (mod main_~assert__arg~12 256)) (= 0 main_~check__tmp~14) (= ~nomsg~0 ~p4_new~0) (= main_~assert__arg~12 main_~__tmp_13~0) (= ~p3_new~0 ~nomsg~0) (= main_~main__c1~0 ~__return_21895~0) (= ~mode4~0 0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_13~0)). Possible FailurePath: - UnprovableResult [Line: 1799]: 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 1406297#(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) 1)) (= ~__return_20456~0 main_~check__tmp~12) (= 0 main_~check__tmp~12) (or (and (= ~mode3~0 0) (= ~st3~0 1) (= ~mode4~0 0)) (= ~mode4~0 0)) (= 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_20456~0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1187]: 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 1406228#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= ~id4~0 main_~node4__m4~3) (not (< ~id3~0 main_~node3__m3~1)) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~id3~0 main_~node3__m3~1) (= 0 main_~check__tmp~5) (= ~nomsg~0 ~p4_new~0) (= ~__return_20614~0 main_~check__tmp~5) (= (mod main_~assert__arg~5 256) 0) (= 0 ~mode3~0) (not (= ~nomsg~0 main_~node4__m4~3)) (not (= 0 (mod ~alive3~0 256))) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_6~0 main_~assert__arg~5) (= ~st4~0 1) (= main_~main__c1~0 ~__return_20614~0) (not (< ~id4~0 main_~node4__m4~3)) (not (= ~nomsg~0 main_~node3__m3~1)) (not (= 0 (mod ~alive4~0 256))) (= ~st3~0 1) (= ~mode2~0 0) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1847.73 ms. Allocated memory was 132.1 MB in the beginning and 218.6 MB in the end (delta: 86.5 MB). Free memory was 79.8 MB in the beginning and 110.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 272.97 ms. Allocated memory is still 218.6 MB. Free memory was 110.7 MB in the beginning and 93.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3517.88 ms. Allocated memory was 218.6 MB in the beginning and 367.5 MB in the end (delta: 148.9 MB). Free memory was 93.9 MB in the beginning and 172.3 MB in the end (delta: -78.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 167744.86 ms. Allocated memory was 367.5 MB in the beginning and 3.2 GB in the end (delta: 2.8 GB). Free memory was 172.3 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...