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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:57:50,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:57:50,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:57:50,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:57:50,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:57:50,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:57:50,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:57:50,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:57:50,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:57:50,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:57:50,799 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:57:50,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:57:50,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:57:50,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:57:50,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:57:50,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:57:50,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:57:50,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:57:50,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:57:50,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:57:50,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:57:50,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:57:50,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:57:50,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:57:50,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-15 00:57:50,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-15 00:57:50,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-15 00:57:50,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-15 00:57:50,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-15 00:57:50,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-15 00:57:50,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 00:57:50,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 00:57:50,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 00:57:50,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 00:57:50,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 00:57:50,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 00:57:50,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 00:57:50,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 00:57:50,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:57:50,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:57:50,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:57:50,827 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 00:57:50,841 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:57:50,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:57:50,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:57:50,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:57:50,843 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:57:50,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:57:50,843 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:57:50,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:57:50,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:57:50,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:57:50,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:57:50,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:57:50,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:57:50,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:57:50,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:57:50,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:57:50,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:57:50,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:57:50,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:57:50,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:57:50,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:57:50,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:57:50,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:57:50,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:57:50,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:57:50,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:57:50,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:57:50,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:57:50,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:57:50,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:57:50,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:57:50,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:57:50,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:57:50,898 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:57:50,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:57:50,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492f9995b/a4f865a3d9b345b8a0703658059799cb/FLAG88fe06f84 [2019-08-15 00:57:51,734 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:57:51,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:57:51,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492f9995b/a4f865a3d9b345b8a0703658059799cb/FLAG88fe06f84 [2019-08-15 00:57:52,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492f9995b/a4f865a3d9b345b8a0703658059799cb [2019-08-15 00:57:52,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:57:52,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:57:52,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:57:52,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:57:52,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:57:52,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:57:52" (1/1) ... [2019-08-15 00:57:52,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5fe677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:52, skipping insertion in model container [2019-08-15 00:57:52,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:57:52" (1/1) ... [2019-08-15 00:57:52,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:57:52,520 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:57:54,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:57:54,334 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:57:55,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:57:55,289 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:57:55,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55 WrapperNode [2019-08-15 00:57:55,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:57:55,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:57:55,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:57:55,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:57:55,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55" (1/1) ... [2019-08-15 00:57:55,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55" (1/1) ... [2019-08-15 00:57:55,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55" (1/1) ... [2019-08-15 00:57:55,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55" (1/1) ... [2019-08-15 00:57:55,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55" (1/1) ... [2019-08-15 00:57:55,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55" (1/1) ... [2019-08-15 00:57:55,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55" (1/1) ... [2019-08-15 00:57:55,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:57:55,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:57:55,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:57:55,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:57:55,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:57:55" (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 00:57:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:57:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:57:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:57:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:57:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:57:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:57:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-15 00:57:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:57:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:57:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:57:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:57:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:57:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:57:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:57:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-15 00:57:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-15 00:57:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-15 00:57:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:57:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:57:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:57:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:57:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:58:01,896 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:58:01,896 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:58:01,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:58:01 BoogieIcfgContainer [2019-08-15 00:58:01,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:58:01,899 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:58:01,899 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:58:01,900 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:58:01,901 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:58:01" (1/1) ... [2019-08-15 00:58:03,422 WARN L188 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 348 [2019-08-15 00:58:04,635 WARN L188 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 352 [2019-08-15 01:00:21,104 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-15 01:00:21,106 INFO L168 Benchmark]: Toolchain (without parser) took 148804.40 ms. Allocated memory was 132.6 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 75.2 MB in the beginning and 483.8 MB in the end (delta: -408.6 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-08-15 01:00:21,107 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-15 01:00:21,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2988.35 ms. Allocated memory was 132.6 MB in the beginning and 276.8 MB in the end (delta: 144.2 MB). Free memory was 75.0 MB in the beginning and 201.5 MB in the end (delta: -126.5 MB). Peak memory consumption was 114.1 MB. Max. memory is 7.1 GB. [2019-08-15 01:00:21,111 INFO L168 Benchmark]: Boogie Preprocessor took 416.62 ms. Allocated memory is still 276.8 MB. Free memory was 201.5 MB in the beginning and 176.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-08-15 01:00:21,112 INFO L168 Benchmark]: RCFGBuilder took 6190.72 ms. Allocated memory was 276.8 MB in the beginning and 445.6 MB in the end (delta: 168.8 MB). Free memory was 176.9 MB in the beginning and 139.8 MB in the end (delta: 37.1 MB). Peak memory consumption was 230.4 MB. Max. memory is 7.1 GB. [2019-08-15 01:00:21,114 INFO L168 Benchmark]: Symbolic Interpretation took 139204.78 ms. Allocated memory was 445.6 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 139.8 MB in the beginning and 483.8 MB in the end (delta: -344.0 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-08-15 01:00:21,125 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 16598]: 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 267698#(and (= 0 main_~check__tmp~82) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_64~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~assert__arg~63 main_~__tmp_64~0) (= main_~check__tmp~82 ~__return_5216~0) (= main_~main__c1~0 ~__return_5216~0) (= 0 (mod main_~assert__arg~63 256))). Possible FailurePath: - UnprovableResult [Line: 18466]: 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 276774#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~check__tmp~94 ~__return_4379~0) (= main_~node6__m6~86 ~id6~0) (= 0 ~mode6~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_75~0) (= main_~assert__arg~74 main_~__tmp_75~0) (= ~nomsg~0 ~p4_new~0) (not (< ~id6~0 main_~node6__m6~86)) (= ~st6~0 1) (= ~nomsg~0 ~p5_new~0) (= (mod main_~assert__arg~74 256) 0) (= main_~main__c1~0 ~__return_4379~0) (not (= main_~node6__m6~86 ~nomsg~0)) (= 0 main_~check__tmp~94) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: - UnprovableResult [Line: 19065]: 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 276735#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1) (= (mod main_~assert__arg~78 256) 0) (not (= 0 (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0))) (= ~nomsg~0 ~p4_new~0) (or (= ~mode6~0 0) (and (= ~mode6~0 0) (= ~mode5~0 0) (= ~st5~0 1))) (= main_~main__c1~0 ~__return_4106~0) (= 0 main_~check__tmp~98) (not (<= 6 (mod ~r1~0 256))) (= main_~check__tmp~98 ~__return_4106~0) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_79~0) (= main_~assert__arg~78 main_~__tmp_79~0)). Possible FailurePath: - UnprovableResult [Line: 5314]: 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 190116#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~check__tmp~20 ~__return_10447~0) (= 0 main_~check__tmp~20) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_17~0) (= 0 (mod main_~assert__arg~16 256)) (= ~mode6~0 0) (= ~nomsg~0 ~p4_new~0) (= main_~main__c1~0 ~__return_10447~0) (= ~nomsg~0 ~p5_new~0) (= main_~assert__arg~16 main_~__tmp_17~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: - UnprovableResult [Line: 10026]: 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 162377#(and (= main_~assert__arg~35 main_~__tmp_36~0) (= 0 (mod main_~assert__arg~35 256)) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~check__tmp~45 ~__return_8242~0) (= main_~main__c1~0 ~__return_8242~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_36~0) (= 0 main_~check__tmp~45)). Possible FailurePath: - UnprovableResult [Line: 19385]: 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 250636#(and (= 0 main_~check__tmp~100) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~assert__arg~80 main_~__tmp_81~0) (= 0 ~mode6~0) (= main_~node6__m6~91 ~id6~0) (= main_~main__c1~0 ~__return_3982~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_81~0) (= 0 (mod main_~assert__arg~80 256)) (= ~nomsg~0 ~p4_new~0) (or (= ~mode5~0 0) (and (= ~mode5~0 0) (= ~mode4~0 0))) (= main_~check__tmp~100 ~__return_3982~0) (= ~st6~0 1) (= ~nomsg~0 ~p5_new~0) (not (= main_~node6__m6~91 ~nomsg~0)) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0) (not (< ~id6~0 main_~node6__m6~91))). Possible FailurePath: - UnprovableResult [Line: 7844]: 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 184100#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~assert__arg~25 main_~__tmp_26~0) (= 0 main_~check__tmp~32) (= ~nomsg~0 ~p4_new~0) (= main_~main__c1~0 ~__return_9244~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_26~0) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0) (= (mod main_~assert__arg~25 256) 0) (= main_~check__tmp~32 ~__return_9244~0)). Possible FailurePath: - UnprovableResult [Line: 19980]: 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 250568#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_85~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1) (= main_~check__tmp~104 ~__return_3726~0) (= ~mode6~0 0) (not (= 0 (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0))) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~104) (= main_~assert__arg~84 main_~__tmp_85~0) (= 0 (mod main_~assert__arg~84 256)) (not (<= 6 (mod ~r1~0 256))) (= main_~main__c1~0 ~__return_3726~0) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: - UnprovableResult [Line: 9718]: 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 184054#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= 0 ~mode6~0) (not (< ~id6~0 main_~node6__m6~44)) (= ~nomsg~0 ~p4_new~0) (= main_~main__c1~0 ~__return_8377~0) (= 0 main_~check__tmp~43) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_34~0) (= main_~check__tmp~43 ~__return_8377~0) (not (= main_~node6__m6~44 ~nomsg~0)) (= main_~assert__arg~33 main_~__tmp_34~0) (= main_~node6__m6~44 ~id6~0) (= 0 (mod main_~assert__arg~33 256)) (= ~st6~0 1) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: - UnprovableResult [Line: 14991]: 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 250081#(and (= 0 (mod main_~assert__arg~56 256)) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~check__tmp~72 ~__return_5954~0) (= 0 main_~check__tmp~72) (= main_~main__c1~0 ~__return_5954~0) (= main_~assert__arg~56 main_~__tmp_57~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_57~0)). Possible FailurePath: - UnprovableResult [Line: 14062]: 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 265196#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= 0 main_~check__tmp~66) (= main_~assert__arg~51 main_~__tmp_52~0) (= ~nomsg~0 ~p4_new~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_52~0) (or (= ~mode6~0 0) (and (= ~mode6~0 0) (= ~mode5~0 0) (= ~st5~0 1))) (= main_~check__tmp~66 ~__return_6377~0) (= main_~main__c1~0 ~__return_6377~0) (= 0 (mod main_~assert__arg~51 256)) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: - UnprovableResult [Line: 15282]: 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 265150#(and (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_59~0) (= 0 main_~check__tmp~74) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1) (= main_~check__tmp~74 ~__return_5819~0) (not (<= 6 (mod ~r1~0 256))) (= main_~main__c1~0 ~__return_5819~0) (not (= 0 (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0))) (= 0 (mod main_~assert__arg~58 256)) (= main_~assert__arg~58 main_~__tmp_59~0)). Possible FailurePath: - UnprovableResult [Line: 17818]: 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 260909#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_71~0) (= main_~check__tmp~90 ~__return_4658~0) (= 0 main_~check__tmp~90) (= ~mode6~0 0) (not (= 0 (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0))) (= ~nomsg~0 ~p4_new~0) (= main_~assert__arg~70 main_~__tmp_71~0) (not (<= 6 (mod ~r1~0 256))) (= ~nomsg~0 ~p5_new~0) (= (mod main_~assert__arg~70 256) 0) (= main_~main__c1~0 ~__return_4658~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: - UnprovableResult [Line: 10317]: 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 183932#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1) (= main_~check__tmp~47 ~__return_8107~0) (= (mod main_~assert__arg~37 256) 0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_38~0) (= ~mode6~0 0) (= main_~main__c1~0 ~__return_8107~0) (not (= 0 (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0))) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~47) (= main_~assert__arg~37 main_~__tmp_38~0) (not (<= 6 (mod ~r1~0 256))) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: - UnprovableResult [Line: 12821]: 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 264348#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= main_~assert__arg~46 main_~__tmp_47~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~check__tmp~59 ~__return_6953~0) (= ~nomsg~0 ~p4_new~0) (= main_~main__c1~0 ~__return_6953~0) (= 0 main_~check__tmp~59) (= (mod main_~assert__arg~46 256) 0) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_47~0)). Possible FailurePath: - UnprovableResult [Line: 9097]: 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 184014#(and (= main_~assert__arg~30 main_~__tmp_31~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_31~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= main_~check__tmp~39 ~__return_8659~0) (= 0 main_~check__tmp~39) (= 0 (mod main_~assert__arg~30 256)) (= main_~main__c1~0 ~__return_8659~0)). Possible FailurePath: - UnprovableResult [Line: 18164]: 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 276601#true. Possible FailurePath: - UnprovableResult [Line: 18774]: 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 255295#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= 0 main_~check__tmp~96) (= main_~check__tmp~96 ~__return_4241~0) (= ~nomsg~0 ~p4_new~0) (= main_~main__c1~0 ~__return_4241~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_77~0) (= ~nomsg~0 ~p5_new~0) (= 0 (mod main_~assert__arg~76 256)) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0) (= main_~assert__arg~76 main_~__tmp_77~0)). Possible FailurePath: - UnprovableResult [Line: 14683]: 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 265173#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_55~0) (= main_~main__c1~0 ~__return_6092~0) (= 0 main_~check__tmp~70) (= 0 ~mode6~0) (= ~nomsg~0 ~p4_new~0) (= main_~node6__m6~68 ~id6~0) (not (< ~id6~0 main_~node6__m6~68)) (= 0 (mod main_~assert__arg~54 256)) (= ~st6~0 1) (= main_~assert__arg~54 main_~__tmp_55~0) (= ~nomsg~0 ~p5_new~0) (not (= main_~node6__m6~68 ~nomsg~0)) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0) (= main_~check__tmp~70 ~__return_6092~0)). Possible FailurePath: - UnprovableResult [Line: 17219]: 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 260962#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_67~0) (= 0 ~mode6~0) (= 0 (mod main_~assert__arg~66 256)) (= main_~node6__m6~80 ~id6~0) (= ~nomsg~0 ~p4_new~0) (= main_~assert__arg~66 main_~__tmp_67~0) (= main_~check__tmp~86 ~__return_4931~0) (= main_~main__c1~0 ~__return_4931~0) (or (and (= ~st4~0 1) (= ~mode5~0 0) (= ~mode4~0 0)) (= ~mode5~0 0)) (not (= main_~node6__m6~80 ~nomsg~0)) (= ~st6~0 1) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0) (= 0 main_~check__tmp~86) (not (< ~id6~0 main_~node6__m6~80))). Possible FailurePath: - UnprovableResult [Line: 17527]: 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 255194#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1)) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_69~0) (= ~mode6~0 0) (= main_~check__tmp~88 ~__return_4793~0) (= ~nomsg~0 ~p4_new~0) (= main_~assert__arg~68 main_~__tmp_69~0) (= 0 (mod main_~assert__arg~68 256)) (= ~nomsg~0 ~p5_new~0) (= main_~main__c1~0 ~__return_4793~0) (= 0 main_~check__tmp~88) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0)). Possible FailurePath: - UnprovableResult [Line: 19677]: 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 276656#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0) 1) (= 0 (mod main_~assert__arg~82 256)) (= 0 ~mode6~0) (= main_~assert__arg~82 main_~__tmp_83~0) (= main_~check__tmp~102 ~__return_3847~0) (= 0 main_~check__tmp~102) (not (= 0 (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0 ~st5~0 ~st6~0))) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_83~0) (= ~nomsg~0 ~p4_new~0) (not (= main_~node6__m6~92 ~nomsg~0)) (not (<= 6 (mod ~r1~0 256))) (= main_~main__c1~0 ~__return_3847~0) (not (< ~id6~0 main_~node6__m6~92)) (= ~st6~0 1) (= ~nomsg~0 ~p5_new~0) (= ~p3_new~0 ~nomsg~0) (= ~nomsg~0 ~p6_new~0) (= main_~node6__m6~92 ~id6~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2988.35 ms. Allocated memory was 132.6 MB in the beginning and 276.8 MB in the end (delta: 144.2 MB). Free memory was 75.0 MB in the beginning and 201.5 MB in the end (delta: -126.5 MB). Peak memory consumption was 114.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 416.62 ms. Allocated memory is still 276.8 MB. Free memory was 201.5 MB in the beginning and 176.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6190.72 ms. Allocated memory was 276.8 MB in the beginning and 445.6 MB in the end (delta: 168.8 MB). Free memory was 176.9 MB in the beginning and 139.8 MB in the end (delta: 37.1 MB). Peak memory consumption was 230.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 139204.78 ms. Allocated memory was 445.6 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 139.8 MB in the beginning and 483.8 MB in the end (delta: -344.0 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...