/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/nla-digbench/geo1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 22:04:47,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 22:04:47,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 22:04:47,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 22:04:47,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 22:04:47,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 22:04:47,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 22:04:47,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 22:04:47,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 22:04:47,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 22:04:47,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 22:04:47,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 22:04:47,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 22:04:47,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 22:04:47,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 22:04:47,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 22:04:47,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 22:04:47,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 22:04:47,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 22:04:47,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 22:04:47,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 22:04:47,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 22:04:47,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 22:04:47,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 22:04:47,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 22:04:47,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 22:04:47,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 22:04:47,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 22:04:47,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 22:04:47,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 22:04:47,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 22:04:47,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 22:04:47,908 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 22:04:47,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 22:04:47,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 22:04:47,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 22:04:47,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 22:04:47,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 22:04:47,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 22:04:47,910 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 22:04:47,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 22:04:47,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 22:04:47,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 22:04:47,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 22:04:47,912 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 22:04:47,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 22:04:47,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 22:04:47,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 22:04:47,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 22:04:47,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 22:04:47,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 22:04:47,914 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 22:04:48,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 22:04:48,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 22:04:48,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 22:04:48,344 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 22:04:48,345 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 22:04:48,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2020-10-23 22:04:48,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b78a890/4910993b506d46b2a175db3b53d16093/FLAG21a9d9dc4 [2020-10-23 22:04:49,067 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 22:04:49,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2020-10-23 22:04:49,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b78a890/4910993b506d46b2a175db3b53d16093/FLAG21a9d9dc4 [2020-10-23 22:04:49,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b78a890/4910993b506d46b2a175db3b53d16093 [2020-10-23 22:04:49,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 22:04:49,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 22:04:49,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 22:04:49,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 22:04:49,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 22:04:49,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3740af4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49, skipping insertion in model container [2020-10-23 22:04:49,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 22:04:49,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 22:04:49,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 22:04:49,303 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 22:04:49,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 22:04:49,342 INFO L208 MainTranslator]: Completed translation [2020-10-23 22:04:49,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49 WrapperNode [2020-10-23 22:04:49,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 22:04:49,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 22:04:49,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 22:04:49,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 22:04:49,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (1/1) ... [2020-10-23 22:04:49,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 22:04:49,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 22:04:49,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 22:04:49,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 22:04:49,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (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 [2020-10-23 22:04:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 22:04:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 22:04:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 22:04:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-23 22:04:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-23 22:04:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 22:04:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 22:04:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 22:04:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 22:04:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 22:04:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 22:04:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-23 22:04:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-23 22:04:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 22:04:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 22:04:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 22:04:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 22:04:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 22:04:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 22:04:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 22:04:49,848 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 22:04:49,848 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 22:04:49,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:04:49 BoogieIcfgContainer [2020-10-23 22:04:49,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 22:04:49,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 22:04:49,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 22:04:49,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 22:04:49,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:04:49" (1/3) ... [2020-10-23 22:04:49,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bda1a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:04:49, skipping insertion in model container [2020-10-23 22:04:49,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:04:49" (2/3) ... [2020-10-23 22:04:49,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bda1a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:04:49, skipping insertion in model container [2020-10-23 22:04:49,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:04:49" (3/3) ... [2020-10-23 22:04:49,861 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1.c [2020-10-23 22:04:49,873 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 22:04:49,878 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 22:04:49,891 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 22:04:49,915 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 22:04:49,915 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 22:04:49,916 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 22:04:49,916 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 22:04:49,916 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 22:04:49,916 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 22:04:49,916 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 22:04:49,916 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 22:04:49,934 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-10-23 22:04:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-23 22:04:49,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 22:04:49,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 22:04:49,945 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 22:04:49,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 22:04:49,952 INFO L82 PathProgramCache]: Analyzing trace with hash 2050119868, now seen corresponding path program 1 times [2020-10-23 22:04:49,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 22:04:49,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563332984] [2020-10-23 22:04:49,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 22:04:50,036 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 22:04:50,104 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-23 22:04:50,104 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 22:04:50,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 22:04:50,124 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-23 22:04:50,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:04:50 BoogieIcfgContainer [2020-10-23 22:04:50,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 22:04:50,127 INFO L168 Benchmark]: Toolchain (without parser) took 1032.10 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 118.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 8.0 GB. [2020-10-23 22:04:50,128 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 105.6 MB in the beginning and 105.5 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 22:04:50,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.56 ms. Allocated memory is still 151.0 MB. Free memory was 127.1 MB in the beginning and 117.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 22:04:50,131 INFO L168 Benchmark]: Boogie Preprocessor took 66.48 ms. Allocated memory is still 151.0 MB. Free memory was 117.6 MB in the beginning and 116.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-23 22:04:50,132 INFO L168 Benchmark]: RCFGBuilder took 440.42 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 130.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. [2020-10-23 22:04:50,133 INFO L168 Benchmark]: TraceAbstraction took 271.01 ms. Allocated memory is still 151.0 MB. Free memory was 130.4 MB in the beginning and 118.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-23 22:04:50,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 105.6 MB in the beginning and 105.5 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 242.56 ms. Allocated memory is still 151.0 MB. Free memory was 127.1 MB in the beginning and 117.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.48 ms. Allocated memory is still 151.0 MB. Free memory was 117.6 MB in the beginning and 116.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 440.42 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 130.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 271.01 ms. Allocated memory is still 151.0 MB. Free memory was 130.4 MB in the beginning and 118.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L23] int z, k; [L24] int x, y, c; [L25] z = __VERIFIER_nondet_int() [L26] k = __VERIFIER_nondet_int() [L28] x = 1 [L29] y = z [L30] c = 1 [L32] COND TRUE 1 [L33] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) [L16] COND TRUE !(cond) [L18] CALL reach_error() [L9] __assert_fail("0", "geo1.c", 9, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...