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_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 23:43:54,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 23:43:54,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 23:43:54,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 23:43:54,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 23:43:54,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 23:43:54,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 23:43:54,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 23:43:54,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 23:43:54,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 23:43:54,171 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 23:43:54,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 23:43:54,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 23:43:54,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 23:43:54,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 23:43:54,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 23:43:54,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 23:43:54,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 23:43:54,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 23:43:54,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 23:43:54,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 23:43:54,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 23:43:54,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 23:43:54,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 23:43:54,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 23:43:54,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 23:43:54,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 23:43:54,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 23:43:54,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 23:43:54,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 23:43:54,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 23:43:54,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 23:43:54,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 23:43:54,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 23:43:54,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 23:43:54,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 23:43:54,200 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 [2019-08-14 23:43:54,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 23:43:54,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 23:43:54,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 23:43:54,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 23:43:54,227 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 23:43:54,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 23:43:54,227 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 23:43:54,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 23:43:54,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 23:43:54,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 23:43:54,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 23:43:54,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 23:43:54,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 23:43:54,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 23:43:54,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 23:43:54,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 23:43:54,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 23:43:54,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 23:43:54,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 23:43:54,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 23:43:54,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 23:43:54,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 23:43:54,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 23:43:54,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 23:43:54,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 23:43:54,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 23:43:54,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 23:43:54,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 23:43:54,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 23:43:54,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 23:43:54,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 23:43:54,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 23:43:54,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 23:43:54,319 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 23:43:54,319 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-14 23:43:54,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3554ea30/ceab89ed2dd644d48f2296c6a2f38420/FLAG10e88b570 [2019-08-14 23:43:54,948 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 23:43:54,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-14 23:43:54,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3554ea30/ceab89ed2dd644d48f2296c6a2f38420/FLAG10e88b570 [2019-08-14 23:43:55,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3554ea30/ceab89ed2dd644d48f2296c6a2f38420 [2019-08-14 23:43:55,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 23:43:55,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 23:43:55,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 23:43:55,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 23:43:55,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 23:43:55,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:43:55" (1/1) ... [2019-08-14 23:43:55,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591db25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:55, skipping insertion in model container [2019-08-14 23:43:55,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:43:55" (1/1) ... [2019-08-14 23:43:55,249 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 23:43:55,331 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 23:43:56,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:43:56,017 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 23:43:56,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:43:56,482 INFO L192 MainTranslator]: Completed translation [2019-08-14 23:43:56,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56 WrapperNode [2019-08-14 23:43:56,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 23:43:56,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 23:43:56,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 23:43:56,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 23:43:56,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56" (1/1) ... [2019-08-14 23:43:56,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56" (1/1) ... [2019-08-14 23:43:56,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56" (1/1) ... [2019-08-14 23:43:56,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56" (1/1) ... [2019-08-14 23:43:56,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56" (1/1) ... [2019-08-14 23:43:56,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56" (1/1) ... [2019-08-14 23:43:56,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56" (1/1) ... [2019-08-14 23:43:56,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 23:43:56,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 23:43:56,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 23:43:56,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 23:43:56,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:43:56" (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 [2019-08-14 23:43:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 23:43:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 23:43:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 23:43:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 23:43:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 23:43:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-14 23:43:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 23:43:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-14 23:43:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 23:43:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-14 23:43:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-14 23:43:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-14 23:43:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-14 23:43:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-14 23:43:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-14 23:43:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 23:43:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 23:43:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 23:43:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 23:43:58,431 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 23:43:58,431 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 23:43:58,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:43:58 BoogieIcfgContainer [2019-08-14 23:43:58,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 23:43:58,434 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 23:43:58,434 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 23:43:58,434 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 23:43:58,435 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:43:58" (1/1) ... [2019-08-14 23:43:58,903 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-08-14 23:43:59,193 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-08-14 23:44:55,361 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 23:44:55,364 INFO L168 Benchmark]: Toolchain (without parser) took 60134.90 ms. Allocated memory was 140.0 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 86.2 MB in the beginning and 1.1 GB in the end (delta: -970.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-08-14 23:44:55,365 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-14 23:44:55,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1251.02 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 85.7 MB in the beginning and 162.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2019-08-14 23:44:55,367 INFO L168 Benchmark]: Boogie Preprocessor took 138.23 ms. Allocated memory is still 202.9 MB. Free memory was 162.2 MB in the beginning and 157.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-14 23:44:55,368 INFO L168 Benchmark]: RCFGBuilder took 1811.18 ms. Allocated memory was 202.9 MB in the beginning and 227.5 MB in the end (delta: 24.6 MB). Free memory was 156.7 MB in the beginning and 113.2 MB in the end (delta: 43.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-08-14 23:44:55,369 INFO L168 Benchmark]: Symbolic Interpretation took 56927.25 ms. Allocated memory was 227.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 113.2 MB in the beginning and 1.1 GB in the end (delta: -943.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-08-14 23:44:55,374 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1901]: 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 393833#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_2584~0) (= main_~__tmp_6~0 (ite (= main_~main__c1~0 0) 0 1)) (= (mod ~r3~0 256) 2) (= ~max3~0 ~id3~0) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= (mod main_~assert__arg~5 256) 0) (= 0 ~mode3~0) (= main_~__tmp_6~0 main_~assert__arg~5) (= 0 main_~check__tmp~8) (= ~nomsg~0 ~p21_new~0) (= ~st3~0 1) (= ~__return_2584~0 main_~check__tmp~8) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 2056]: 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 389085#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~__tmp_8~0 main_~assert__arg~7) (= 0 main_~check__tmp~10) (= (mod ~r3~0 256) 2) (= ~max3~0 ~id3~0) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= 0 ~mode3~0) (= main_~main__c1~0 ~__return_2494~0) (= main_~check__tmp~10 ~__return_2494~0) (= ~nomsg~0 ~p21_new~0) (= ~st3~0 1) (= (mod main_~assert__arg~7 256) 0) (= main_~__tmp_8~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 823]: 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 386099#(and (= ~nomsg~0 ~p13_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) (= ~__return_2840~0 main_~check__tmp~3) (= (mod ~r3~0 256) 2) (= ~max3~0 ~id3~0) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= 0 ~mode3~0) (= ~nomsg~0 ~p21_new~0) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= ~st3~0 1) (= 0 main_~check__tmp~3) (= ~nomsg~0 ~p32_new~0) (= main_~main__c1~0 ~__return_2840~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 888]: 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 376853#(and (= main_~__tmp_5~0 main_~assert__arg~4) (= main_~__tmp_5~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 (mod main_~assert__arg~4 256))). Possible FailurePath: - UnprovableResult [Line: 1946]: 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 391459#(and (= ~nomsg~0 ~p13_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= (mod main_~assert__arg~6 256) 0) (= ~__return_2553~0 main_~check__tmp~9) (= (mod ~r3~0 256) 2) (not (= ~max3~0 ~id3~0)) (= ~p31_new~0 ~nomsg~0) (= ~nomsg~0 ~p12_new~0) (= main_~__tmp_7~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 ~mode3~0) (= main_~main__c1~0 ~__return_2553~0) (= ~nl3~0 1) (= main_~__tmp_7~0 main_~assert__arg~6) (= ~nomsg~0 ~p21_new~0) (= 0 main_~check__tmp~9) (= ~nomsg~0 ~p32_new~0) (= ~p23_new~0 ~nomsg~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1251.02 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 85.7 MB in the beginning and 162.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.23 ms. Allocated memory is still 202.9 MB. Free memory was 162.2 MB in the beginning and 157.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1811.18 ms. Allocated memory was 202.9 MB in the beginning and 227.5 MB in the end (delta: 24.6 MB). Free memory was 156.7 MB in the beginning and 113.2 MB in the end (delta: 43.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 56927.25 ms. Allocated memory was 227.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 113.2 MB in the beginning and 1.1 GB in the end (delta: -943.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...