java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-invariants/odd.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:56,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:56,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:56,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:56,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:56,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:56,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:56,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:56,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:56,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:56,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:56,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:56,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:56,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:56,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:56,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:56,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:56,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:47:56,607 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:56,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:56,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:56,608 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:56,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:56,609 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:56,609 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:56,609 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:56,609 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:56,609 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:56,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:56,610 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:56,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:56,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:56,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:56,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:56,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:56,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:56,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:56,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:56,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:56,612 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:56,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:56,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:56,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:56,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:56,613 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:56,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:56,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:56,614 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:56,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:56,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:56,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:56,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:56,658 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:56,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/odd.c [2019-09-20 13:47:56,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d438dc2ff/8f68a2308a794e3691a8c6d9f2b95202/FLAG789d79325 [2019-09-20 13:47:57,143 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:57,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/odd.c [2019-09-20 13:47:57,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d438dc2ff/8f68a2308a794e3691a8c6d9f2b95202/FLAG789d79325 [2019-09-20 13:47:57,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d438dc2ff/8f68a2308a794e3691a8c6d9f2b95202 [2019-09-20 13:47:57,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:57,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:57,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:57,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:57,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:57,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d5a5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57, skipping insertion in model container [2019-09-20 13:47:57,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,579 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:57,595 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:57,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:57,775 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:57,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:57,812 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:57,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57 WrapperNode [2019-09-20 13:47:57,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:57,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:57,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:57,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:57,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57" (1/1) ... [2019-09-20 13:47:57,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:57,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:57,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:57,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:57,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:57" (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 [2019-09-20 13:47:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:58,173 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:58,173 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:58,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:58 BoogieIcfgContainer [2019-09-20 13:47:58,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:58,176 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:58,176 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:58,176 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:58,177 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:58" (1/1) ... [2019-09-20 13:47:58,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:58,297 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:59,847 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:59,881 INFO L272 AbstractInterpreter]: Visited 21 different actions 126 times. Merged at 6 different actions 42 times. Widened at 1 different actions 3 times. Performed 161 root evaluator evaluations with a maximum evaluation depth of 12. Performed 161 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 8 fixpoints after 2 different actions. Largest state had 3 variables. [2019-09-20 13:47:59,881 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:59,892 INFO L168 Benchmark]: Toolchain (without parser) took 2326.36 ms. Allocated memory was 133.2 MB in the beginning and 314.0 MB in the end (delta: 180.9 MB). Free memory was 88.9 MB in the beginning and 278.1 MB in the end (delta: -189.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:59,893 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:59,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.89 ms. Allocated memory is still 133.2 MB. Free memory was 88.7 MB in the beginning and 79.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:59,898 INFO L168 Benchmark]: Boogie Preprocessor took 132.59 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 79.6 MB in the beginning and 176.7 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:59,899 INFO L168 Benchmark]: RCFGBuilder took 228.05 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 165.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:59,900 INFO L168 Benchmark]: Abstract Interpretation took 1706.13 ms. Allocated memory was 200.3 MB in the beginning and 314.0 MB in the end (delta: 113.8 MB). Free memory was 165.6 MB in the beginning and 278.1 MB in the end (delta: -112.5 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:59,908 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.89 ms. Allocated memory is still 133.2 MB. Free memory was 88.7 MB in the beginning and 79.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.59 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 79.6 MB in the beginning and 176.7 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 228.05 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 165.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1706.13 ms. Allocated memory was 200.3 MB in the beginning and 314.0 MB in the end (delta: 113.8 MB). Free memory was 165.6 MB in the beginning and 278.1 MB in the end (delta: -112.5 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L10] unsigned int x = 1; [L11] COND FALSE !(__VERIFIER_nondet_int()) [L14] CALL __VERIFIER_assert(x % 2) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...