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 0.1.24-2989841 [2019-08-10 06:15:24,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 06:15:24,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 06:15:24,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 06:15:24,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 06:15:24,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 06:15:24,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 06:15:24,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 06:15:24,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 06:15:24,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 06:15:24,198 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 06:15:24,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 06:15:24,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 06:15:24,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 06:15:24,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 06:15:24,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 06:15:24,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 06:15:24,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 06:15:24,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 06:15:24,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 06:15:24,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 06:15:24,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 06:15:24,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 06:15:24,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 06:15:24,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 06:15:24,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 06:15:24,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 06:15:24,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 06:15:24,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 06:15:24,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 06:15:24,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 06:15:24,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 06:15:24,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 06:15:24,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 06:15:24,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 06:15:24,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 06:15:24,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 06:15:24,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 06:15:24,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 06:15:24,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 06:15:24,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 06:15:24,224 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 [2019-08-10 06:15:24,238 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 06:15:24,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 06:15:24,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 06:15:24,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 06:15:24,240 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 06:15:24,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 06:15:24,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 06:15:24,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 06:15:24,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 06:15:24,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 06:15:24,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 06:15:24,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 06:15:24,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 06:15:24,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 06:15:24,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 06:15:24,242 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 06:15:24,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 06:15:24,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 06:15:24,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 06:15:24,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 06:15:24,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 06:15:24,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 06:15:24,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 06:15:24,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 06:15:24,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 06:15:24,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 06:15:24,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 06:15:24,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 06:15:24,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 06:15:24,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 06:15:24,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 06:15:24,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 06:15:24,308 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 06:15:24,308 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 06:15:24,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-10 06:15:24,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33a5d747/bf9b9526640744dd8452b02c4a2b3170/FLAGd932c0512 [2019-08-10 06:15:25,014 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 06:15:25,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-10 06:15:25,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33a5d747/bf9b9526640744dd8452b02c4a2b3170/FLAGd932c0512 [2019-08-10 06:15:25,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33a5d747/bf9b9526640744dd8452b02c4a2b3170 [2019-08-10 06:15:25,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 06:15:25,283 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 06:15:25,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 06:15:25,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 06:15:25,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 06:15:25,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:15:25" (1/1) ... [2019-08-10 06:15:25,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aca6591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:25, skipping insertion in model container [2019-08-10 06:15:25,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 06:15:25" (1/1) ... [2019-08-10 06:15:25,301 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 06:15:25,397 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 06:15:26,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:15:26,087 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 06:15:26,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 06:15:26,479 INFO L192 MainTranslator]: Completed translation [2019-08-10 06:15:26,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26 WrapperNode [2019-08-10 06:15:26,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 06:15:26,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 06:15:26,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 06:15:26,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 06:15:26,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26" (1/1) ... [2019-08-10 06:15:26,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26" (1/1) ... [2019-08-10 06:15:26,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26" (1/1) ... [2019-08-10 06:15:26,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26" (1/1) ... [2019-08-10 06:15:26,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26" (1/1) ... [2019-08-10 06:15:26,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26" (1/1) ... [2019-08-10 06:15:26,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26" (1/1) ... [2019-08-10 06:15:26,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 06:15:26,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 06:15:26,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 06:15:26,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 06:15:26,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 06:15:26" (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 [2019-08-10 06:15:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 06:15:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 06:15:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 06:15:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 06:15:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 06:15:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 06:15:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 06:15:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 06:15:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 06:15:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 06:15:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 06:15:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 06:15:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 06:15:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 06:15:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 06:15:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 06:15:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 06:15:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 06:15:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 06:15:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 06:15:28,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 06:15:28,486 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 06:15:28,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:15:28 BoogieIcfgContainer [2019-08-10 06:15:28,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 06:15:28,488 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 06:15:28,488 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 06:15:28,489 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 06:15:28,490 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 06:15:28" (1/1) ... [2019-08-10 06:15:29,007 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-08-10 06:15:29,335 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-08-10 06:15:39,476 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 06:15:39,490 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 06:15:39,495 INFO L168 Benchmark]: Toolchain (without parser) took 14210.01 ms. Allocated memory was 135.3 MB in the beginning and 846.7 MB in the end (delta: 711.5 MB). Free memory was 84.4 MB in the beginning and 474.4 MB in the end (delta: -390.0 MB). Peak memory consumption was 610.4 MB. Max. memory is 7.1 GB. [2019-08-10 06:15:39,496 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 06:15:39,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1196.38 ms. Allocated memory was 135.3 MB in the beginning and 221.2 MB in the end (delta: 86.0 MB). Free memory was 84.2 MB in the beginning and 172.9 MB in the end (delta: -88.7 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-08-10 06:15:39,507 INFO L168 Benchmark]: Boogie Preprocessor took 139.96 ms. Allocated memory is still 221.2 MB. Free memory was 172.9 MB in the beginning and 166.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2019-08-10 06:15:39,508 INFO L168 Benchmark]: RCFGBuilder took 1867.01 ms. Allocated memory was 221.2 MB in the beginning and 261.6 MB in the end (delta: 40.4 MB). Free memory was 166.2 MB in the beginning and 110.4 MB in the end (delta: 55.8 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. [2019-08-10 06:15:39,511 INFO L168 Benchmark]: Symbolic Interpretation took 11002.51 ms. Allocated memory was 261.6 MB in the beginning and 846.7 MB in the end (delta: 585.1 MB). Free memory was 110.4 MB in the beginning and 474.4 MB in the end (delta: -364.0 MB). Peak memory consumption was 510.1 MB. Max. memory is 7.1 GB. [2019-08-10 06:15:39,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1949]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 32195#(and (= (mod main_~assert__arg~9 256) 0) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~check__tmp~13 ~__return_1896~0) (= 0 main_~check__tmp~13) (= main_~main__c1~0 ~__return_1896~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_10~0) (= main_~assert__arg~9 main_~__tmp_10~0) (= ~nomsg~0 ~p4_new~0) (= ~p3_new~0 ~nomsg~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: Interpreter reached this location of interest. Location might be reachable. Predicate is 25679#(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: 2483]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 32179#(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: 2990]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 31055#(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: 2734]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 23224#(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: - UnprovableResult [Line: 3739]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 23058#(or (and (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= (mod main_~assert__arg~23 256) 0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~27) (= main_~main__c1~0 ~__return_1142~0) (exists ((v_~r1~0_162 Int)) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 main_~node2__m2~11) (not (= (mod v_~r1~0_162 256) 255)) (not (< ~id3~0 main_~node3__m3~12)) (= ~nomsg~0 ~p4_new~0) (not (< ~id4~0 main_~node4__m4~20)) (not (= ~nomsg~0 main_~node3__m3~12)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (not (= (mod main_~assert__arg~14 256) 0)) (not (= ~id3~0 main_~node3__m3~12)) (= ~st4~0 1) (= 0 ~mode1~0) (= (+ (mod v_~r1~0_162 256) 1) ~r1~0) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0) (= main_~node1__m1~10 ~nomsg~0)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~st4~0 1) (= ~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)))) (= 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)) (and (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= (mod main_~assert__arg~23 256) 0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= 0 main_~check__tmp~27) (= main_~main__c1~0 ~__return_1142~0) (exists ((v_~r1~0_180 Int)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (= 255 (mod v_~r1~0_180 256))) (= ~nomsg~0 ~p4_new~0) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (= 0 ~mode1~0) (= ~st4~0 1) (= ~r1~0 (+ (mod v_~r1~0_180 256) 1)) (not (= 0 (mod main_~assert__arg~22 256))) (= ~nomsg~0 main_~node2__m2~15) (= ~nomsg~0 main_~node3__m3~17) (= ~p3_new~0 ~nomsg~0) (= main_~node1__m1~14 ~nomsg~0) (= 0 ~mode2~0) (= 0 ~mode4~0))) (= 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))). Possible FailurePath: - UnprovableResult [Line: 3990]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 31031#(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: 3230]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 29714#(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: 2189]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 29757#(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: 1175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 29785#(= main_~check__tmp~7 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: Interpreter reached this location of interest. Location might be reachable. Predicate is 23265#(or (= main_~check__tmp~11 0) (and (= ~st4~0 1) (= main_~check__tmp~11 0) (= ~mode4~0 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 135.3 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1196.38 ms. Allocated memory was 135.3 MB in the beginning and 221.2 MB in the end (delta: 86.0 MB). Free memory was 84.2 MB in the beginning and 172.9 MB in the end (delta: -88.7 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.96 ms. Allocated memory is still 221.2 MB. Free memory was 172.9 MB in the beginning and 166.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1867.01 ms. Allocated memory was 221.2 MB in the beginning and 261.6 MB in the end (delta: 40.4 MB). Free memory was 166.2 MB in the beginning and 110.4 MB in the end (delta: 55.8 MB). Peak memory consumption was 98.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 11002.51 ms. Allocated memory was 261.6 MB in the beginning and 846.7 MB in the end (delta: 585.1 MB). Free memory was 110.4 MB in the beginning and 474.4 MB in the end (delta: -364.0 MB). Peak memory consumption was 510.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...