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.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:13:57,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:13:57,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:13:57,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:13:57,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:13:57,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:13:57,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:13:57,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:13:57,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:13:57,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:13:57,538 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:13:57,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:13:57,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:13:57,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:13:57,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:13:57,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:13:57,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:13:57,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:13:57,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:13:57,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:13:57,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:13:57,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:13:57,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:13:57,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:13:57,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-15 00:13:57,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-15 00:13:57,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-15 00:13:57,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-15 00:13:57,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-15 00:13:57,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-15 00:13:57,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 00:13:57,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 00:13:57,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 00:13:57,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 00:13:57,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 00:13:57,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 00:13:57,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 00:13:57,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 00:13:57,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:13:57,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:13:57,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:13:57,572 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 00:13:57,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:13:57,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:13:57,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:13:57,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:13:57,592 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:13:57,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:13:57,595 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:13:57,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:13:57,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:13:57,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:13:57,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:13:57,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:13:57,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:13:57,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:13:57,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:13:57,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:13:57,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:13:57,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:13:57,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:13:57,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:13:57,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:13:57,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:13:57,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:13:57,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:13:57,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:13:57,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:13:57,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:13:57,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:13:57,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:13:57,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:13:57,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:13:57,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:13:57,678 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:13:57,678 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:13:57,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-08-15 00:13:57,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6eb509b/8882ae49749949cc8c8382aadd741b69/FLAG2176dde13 [2019-08-15 00:13:58,477 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:13:58,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-08-15 00:13:58,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6eb509b/8882ae49749949cc8c8382aadd741b69/FLAG2176dde13 [2019-08-15 00:13:58,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6eb509b/8882ae49749949cc8c8382aadd741b69 [2019-08-15 00:13:58,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:13:58,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:13:58,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:13:58,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:13:58,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:13:58,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:13:58" (1/1) ... [2019-08-15 00:13:58,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170ab2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:13:58, skipping insertion in model container [2019-08-15 00:13:58,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:13:58" (1/1) ... [2019-08-15 00:13:58,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:13:58,758 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:13:59,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:13:59,922 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:14:00,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:14:00,263 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:14:00,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00 WrapperNode [2019-08-15 00:14:00,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:14:00,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:14:00,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:14:00,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:14:00,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00" (1/1) ... [2019-08-15 00:14:00,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00" (1/1) ... [2019-08-15 00:14:00,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00" (1/1) ... [2019-08-15 00:14:00,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00" (1/1) ... [2019-08-15 00:14:00,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00" (1/1) ... [2019-08-15 00:14:00,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00" (1/1) ... [2019-08-15 00:14:00,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00" (1/1) ... [2019-08-15 00:14:00,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:14:00,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:14:00,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:14:00,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:14:00,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:14:00" (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 00:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:14:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:14:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:14:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:14:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:14:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:14:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:14:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:14:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:14:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:14:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:14:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:14:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:14:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:14:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:14:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:14:04,184 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:14:04,185 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:14:04,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:14:04 BoogieIcfgContainer [2019-08-15 00:14:04,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:14:04,188 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:14:04,189 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:14:04,189 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:14:04,190 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:14:04" (1/1) ... [2019-08-15 00:14:05,844 WARN L188 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 356 [2019-08-15 00:14:07,157 WARN L188 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 357 [2019-08-15 00:14:35,949 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-15 00:14:35,952 INFO L168 Benchmark]: Toolchain (without parser) took 37360.81 ms. Allocated memory was 141.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 82.3 MB in the beginning and 1.0 GB in the end (delta: -960.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-15 00:14:35,954 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-15 00:14:35,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1672.04 ms. Allocated memory was 141.0 MB in the beginning and 223.9 MB in the end (delta: 82.8 MB). Free memory was 81.9 MB in the beginning and 129.2 MB in the end (delta: -47.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-08-15 00:14:35,959 INFO L168 Benchmark]: Boogie Preprocessor took 247.35 ms. Allocated memory is still 223.9 MB. Free memory was 129.2 MB in the beginning and 115.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-08-15 00:14:35,960 INFO L168 Benchmark]: RCFGBuilder took 3675.42 ms. Allocated memory was 223.9 MB in the beginning and 333.4 MB in the end (delta: 109.6 MB). Free memory was 115.6 MB in the beginning and 166.4 MB in the end (delta: -50.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-08-15 00:14:35,962 INFO L168 Benchmark]: Symbolic Interpretation took 31761.00 ms. Allocated memory was 333.4 MB in the beginning and 1.2 GB in the end (delta: 846.2 MB). Free memory was 166.4 MB in the beginning and 1.0 GB in the end (delta: -876.1 MB). Peak memory consumption was 993.3 MB. Max. memory is 7.1 GB. [2019-08-15 00:14:35,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 435]: 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 33341#(or (and (= ~__tmp_4534_0~0 main_~main____CPAchecker_TMP_0~0) (= main_~check__tmp~58 ~__return_5213~0) (= main_~main____CPAchecker_TMP_0~52 ~__tmp_4534_0~0) (= 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)) (= main_~main__c1~0 ~__return_5213~0)) (= (mod main_~assert__arg~1 256) 0)). Possible FailurePath: - PositiveResult [Line: 1901]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 766]: 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 30904#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= 0 (mod main_~assert__arg~3 256)) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_4~0 main_~assert__arg~3) (= main_~main__c1~0 ~__return_4397~0) (= ~id3~0 main_~node3__m3~2) (not (= (mod ~alive2~0 256) 0)) (not (= ~nomsg~0 main_~node2__m2~2)) (= 0 ~mode3~0) (not (= 0 (mod ~alive3~0 256))) (= ~st2~0 1) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~__return_4397~0 main_~check__tmp~3) (= ~st3~0 1) (not (= ~nomsg~0 main_~node3__m3~2)) (not (< ~id2~0 main_~node2__m2~2)) (not (< ~id3~0 main_~node3__m3~2)) (= 0 main_~check__tmp~3) (= ~p3_new~0 ~nomsg~0) (= main_~node2__m2~2 ~id2~0) (= 0 ~mode2~0)). Possible FailurePath: - PositiveResult [Line: 5437]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 1380]: 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 31883#(and (= ~__return_4088~0 main_~check__tmp~7) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_4088~0) (= main_~__tmp_8~0 main_~assert__arg~7) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 main_~check__tmp~7)). Possible FailurePath: - UnprovableResult [Line: 3524]: 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 31850#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= (mod main_~assert__arg~23 256) 0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~check__tmp~23 ~__return_3150~0) (= main_~assert__arg~23 main_~__tmp_24~0) (= main_~main__c1~0 ~__return_3150~0) (= 0 main_~check__tmp~23) (or (= ~mode2~0 0) (and (= |old(~__return_1410~0)| 0) (= |old(~__return_1380~0)| 0) (= |old(~__tmp_2055_0~0)| 0) (= |old(~__tmp_2600_0~0)| 0) (= ~p3~0 0) (= |old(~__return_3480~0)| 0) (= |old(~r1~0)| 0) (= |old(~alive1~0)| 0) (= |old(~__return_1330~0)| 0) (= |old(~__return_1180~0)| 0) (= |old(~__return_2205~0)| 0) (= |old(~__tmp_3542_0~0)| 0) (= |old(~__tmp_2921_0~0)| 0) (= |old(~__return_1470~0)| 0) (= |old(~__return_2707~0)| 0) (= |old(~__return_3658~0)| 0) (= |old(~__return_1420~0)| 0) (= |old(~__return_4397~0)| 0) (= |old(~p2_old~0)| 0) (= |old(~__tmp_3453_0~0)| 0) (= |old(~__tmp_4109_0~0)| 0) (= |old(~__tmp_3792_0~0)| 0) (= |old(~__return_1110~0)| 0) (= |old(~__return_2554~0)| 0) (= |old(~__return_1540~0)| 0) (= |old(~__tmp_3441_0~0)| 0) (= |old(~__return_1200~0)| 0) (= |old(~__tmp_2251_0~0)| 0) (= |old(~__tmp_1970_0~0)| 0) (= |old(~__return_1140~0)| 0) (= |old(~__return_1160~0)| 0) (= |old(~__return_1270~0)| 0) (= |old(~__return_1300~0)| 0) (= |old(~__return_1320~0)| 0) (= |old(~send1~0)| 0) (= ~nomsg~0 (- 1)) (= ~r1~0 1) (= |old(~__tmp_2404_0~0)| 0) (= |old(~__return_1210~0)| 0) (= |old(~__return_2948~0)| 0) (= |old(~__return_1100~0)| 0) (= |old(~p2_new~0)| 0) (= |old(~mode1~0)| 0) (= |old(~p1_new~0)| 0) (= |old(~__tmp_4918_0~0)| 0) (= |old(~__tmp_4730_0~0)| 0) (= |old(~__tmp_2933_0~0)| 0) (= |old(~__tmp_5012_0~0)| 0) (= |old(~__tmp_2680_0~0)| 0) (= |old(~__tmp_2844_0~0)| 0) (= |old(~__tmp_3301_0~0)| 0) (= |old(~__tmp_3554_0~0)| 0) (= |old(~__tmp_2140_0~0)| 0) (= |old(~__return_1250~0)| 0) (= |old(~__return_2443~0)| 0) (= |old(~__return_1560~0)| 0) (= |old(~alive2~0)| 0) (= |old(~__return_2009~0)| 0) (= |old(~__tmp_3593_0~0)| 0) (= |old(~__return_1170~0)| 0) (= |old(~__tmp_5226_0~0)| 0) (= |old(~__tmp_3605_0~0)| 0) (= |old(~alive3~0)| 0) (= |old(~__tmp_4824_0~0)| 0) (= |old(~__tmp_3390_0~0)| 0) (= ~mode1~0 0) (= |old(~__tmp_3910_0~0)| 0) (= |old(~__tmp_5103_0~0)| 0) (= |old(~__tmp_2668_0~0)| 0) (= main_~init__tmp~0 1) (= |old(~st2~0)| 0) (= |old(~__tmp_5338_0~0)| 0) (= |old(~__return_1400~0)| 0) (= ~__return_main~0 0) (= |old(~__return_1310~0)| 0) (= |old(~__return_1230~0)| 0) (= |old(~__tmp_2343_0~0)| 0) (= |old(~p3_old~0)| 0) (= |old(~mode3~0)| 0) (= |old(~__tmp_2769_0~0)| 0) (= |old(~__return_2094~0)| 0) (= |old(~__tmp_3313_0~0)| 0) (= |old(~__tmp_4274_0~0)| 0) (= |old(~__return_2859~0)| 0) (= |old(~__return_1450~0)| 0) (= |old(~__tmp_5135_0~0)| 0) (= |old(~__tmp_3960_0~0)| 0) (= |old(~__tmp_3183_0~0)| 0) (= |old(~__return_1290~0)| 0) (= |old(~__return_3417~0)| 0) (= |old(~__tmp_3099_0~0)| 0) (= |old(~__tmp_3465_0~0)| 0) (= |old(~__return_1130~0)| 0) (= main_~check__tmp~22 1) (= |old(~__return_4088~0)| 0) (= |old(~st1~0)| 0) (= ~mode2~0 0) (= |old(~__return_3975~0)| 0) (= |old(~__return_1360~0)| 0) (= |old(~__return_102~0)| 0) (= ~st1~0 1) (= |old(~__tmp_5374_0~0)| 0) (= |old(~__return_5213~0)| 0) (= |old(~__return_1490~0)| 0) (= |old(~__tmp_2428_0~0)| 0) (= |old(~send3~0)| 0) (= |old(~__return_1430~0)| 0) (= |old(~__tmp_4075_0~0)| 0) (= |old(~__tmp_2781_0~0)| 0) (= |old(~__tmp_2972_0~0)| 0) (= |old(~__return_3569~0)| 0) (= |old(~__tmp_3720_0~0)| 0) (= |old(~__tmp_4534_0~0)| 0) (= |old(~__return_4174~0)| 0) (= |old(~id3~0)| 0) (= ~p1~0 0) (= |old(~id1~0)| 0) (= ~p2~0 0) (= |old(~__tmp_3289_0~0)| 0) (= |old(~__return_4287~0)| 0) (= |old(~__return_1340~0)| 0) (= |old(~__return_2796~0)| 0) (= |old(~__tmp_5188_0~0)| 0) (= |old(~__return_1500~0)| 0) (= |old(~__return_1440~0)| 0) (= |old(~__return_1510~0)| 0) (= |old(~__return_3150~0)| 0) (= |old(~__tmp_4308_0~0)| 0) (= |old(~id2~0)| 0) (= |old(~mode2~0)| 0) (= |old(~__return_1570~0)| 0) (= |old(~__tmp_3402_0~0)| 0) (= |old(~__return_1240~0)| 0) (= |old(~__return_1190~0)| 0) (= |old(~__return_1350~0)| 0) (= |old(~__return_1460~0)| 0) (= |old(~p1_old~0)| 0) (= |old(~__return_1260~0)| 0) (= |old(~__return_1520~0)| 0) (= |old(~__return_1390~0)| 0) (= |old(~__tmp_2489_0~0)| 0) (= |old(~__tmp_2832_0~0)| 0) (= |old(~__tmp_3804_0~0)| 0) (= |old(~__return_3037~0)| 0) (= |old(~__tmp_2079_0~0)| 0) (= |old(~__tmp_1994_0~0)| 0) (= |old(~__tmp_2984_0~0)| 0) (= |old(~__return_1150~0)| 0) (= |old(~__tmp_2319_0~0)| 0) (= |old(~__return_1370~0)| 0) (= |old(~__tmp_4560_0~0)| 0) (= |old(~__tmp_5273_0~0)| 0) (= |old(~__return_3328~0)| 0) (= |old(~__return_4533~0)| 0) (= |old(~__tmp_3171_0~0)| 0) (= |old(~__return_2358~0)| 0) (= |old(~__tmp_3255_0~0)| 0) (= |old(~__return_1530~0)| 0) (= |old(~__return_1480~0)| 0) (= |old(~st3~0)| 0) (= |old(~__return_3771~0)| 0) (= |old(~__return_1220~0)| 0) (= |old(~__tmp_2692_0~0)| 0) (= |old(~p3_new~0)| 0) (= |old(~__tmp_4159_0~0)| 0) (= |old(~__return_5922~0)| 0) (= |old(~__tmp_3876_0~0)| 0) (= |old(~send2~0)| 0) (= ~st2~0 0) (= |old(~__return_1120~0)| 0) (= |old(~__return_1550~0)| 0) (= |old(~__return_1280~0)| 0) (= |old(~__tmp_2820_0~0)| 0))) (= 0 ~mode3~0) (not (= 0 (mod ~alive3~0 256))) (not (= ~nomsg~0 main_~node3__m3~13)) (= main_~main____CPAchecker_TMP_0~19 ~__tmp_3099_0~0) (= ~st3~0 1) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_24~0) (= ~id3~0 main_~node3__m3~13) (= ~p3_new~0 ~nomsg~0) (not (< ~id3~0 main_~node3__m3~13))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1672.04 ms. Allocated memory was 141.0 MB in the beginning and 223.9 MB in the end (delta: 82.8 MB). Free memory was 81.9 MB in the beginning and 129.2 MB in the end (delta: -47.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 247.35 ms. Allocated memory is still 223.9 MB. Free memory was 129.2 MB in the beginning and 115.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3675.42 ms. Allocated memory was 223.9 MB in the beginning and 333.4 MB in the end (delta: 109.6 MB). Free memory was 115.6 MB in the beginning and 166.4 MB in the end (delta: -50.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 31761.00 ms. Allocated memory was 333.4 MB in the beginning and 1.2 GB in the end (delta: 846.2 MB). Free memory was 166.4 MB in the beginning and 1.0 GB in the end (delta: -876.1 MB). Peak memory consumption was 993.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...