/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/nla-digbench/geo1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 02:40:18,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 02:40:18,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 02:40:18,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 02:40:18,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 02:40:18,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 02:40:18,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 02:40:18,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 02:40:18,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 02:40:18,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 02:40:18,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 02:40:18,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 02:40:18,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 02:40:18,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 02:40:18,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 02:40:18,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 02:40:18,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 02:40:18,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 02:40:18,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 02:40:18,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 02:40:18,720 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 02:40:18,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 02:40:18,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 02:40:18,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 02:40:18,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 02:40:18,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 02:40:18,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 02:40:18,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 02:40:18,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 02:40:18,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 02:40:18,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 02:40:18,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 02:40:18,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 02:40:18,746 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 02:40:18,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 02:40:18,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 02:40:18,746 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 02:40:18,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 02:40:18,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 02:40:18,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 02:40:18,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 02:40:18,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 02:40:18,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 02:40:18,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 02:40:19,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 02:40:19,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 02:40:19,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 02:40:19,153 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 02:40:19,154 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 02:40:19,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2020-10-24 02:40:19,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c83f7b3f/cb340e2e2f504d18864fbdb174004c39/FLAG792c50475 [2020-10-24 02:40:19,971 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 02:40:19,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2020-10-24 02:40:19,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c83f7b3f/cb340e2e2f504d18864fbdb174004c39/FLAG792c50475 [2020-10-24 02:40:20,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c83f7b3f/cb340e2e2f504d18864fbdb174004c39 [2020-10-24 02:40:20,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 02:40:20,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 02:40:20,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 02:40:20,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 02:40:20,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 02:40:20,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124bbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20, skipping insertion in model container [2020-10-24 02:40:20,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 02:40:20,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 02:40:20,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:40:20,691 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 02:40:20,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:40:20,744 INFO L208 MainTranslator]: Completed translation [2020-10-24 02:40:20,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20 WrapperNode [2020-10-24 02:40:20,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 02:40:20,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 02:40:20,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 02:40:20,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 02:40:20,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (1/1) ... [2020-10-24 02:40:20,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 02:40:20,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 02:40:20,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 02:40:20,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 02:40:20,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (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 [2020-10-24 02:40:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 02:40:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 02:40:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 02:40:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-24 02:40:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-24 02:40:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 02:40:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 02:40:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 02:40:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 02:40:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 02:40:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 02:40:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-24 02:40:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-24 02:40:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 02:40:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 02:40:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 02:40:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 02:40:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 02:40:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 02:40:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 02:40:21,305 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 02:40:21,306 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 02:40:21,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:40:21 BoogieIcfgContainer [2020-10-24 02:40:21,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 02:40:21,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 02:40:21,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 02:40:21,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 02:40:21,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:40:20" (1/3) ... [2020-10-24 02:40:21,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31710787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:40:21, skipping insertion in model container [2020-10-24 02:40:21,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:40:20" (2/3) ... [2020-10-24 02:40:21,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31710787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:40:21, skipping insertion in model container [2020-10-24 02:40:21,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:40:21" (3/3) ... [2020-10-24 02:40:21,323 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1.c [2020-10-24 02:40:21,341 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 02:40:21,345 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 02:40:21,357 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 02:40:21,383 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 02:40:21,383 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 02:40:21,383 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 02:40:21,383 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 02:40:21,384 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 02:40:21,384 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 02:40:21,384 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 02:40:21,384 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 02:40:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-10-24 02:40:21,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-24 02:40:21,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:40:21,413 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] [2020-10-24 02:40:21,414 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:40:21,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:40:21,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2050119868, now seen corresponding path program 1 times [2020-10-24 02:40:21,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:40:21,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606504488] [2020-10-24 02:40:21,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:40:21,569 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-24 02:40:21,570 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-24 02:40:21,570 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 02:40:21,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 02:40:21,593 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-24 02:40:21,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:40:21 BoogieIcfgContainer [2020-10-24 02:40:21,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 02:40:21,597 INFO L168 Benchmark]: Toolchain (without parser) took 1242.89 ms. Allocated memory is still 151.0 MB. Free memory was 134.9 MB in the beginning and 107.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:21,598 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 02:40:21,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.41 ms. Allocated memory is still 151.0 MB. Free memory was 134.2 MB in the beginning and 124.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:21,600 INFO L168 Benchmark]: Boogie Preprocessor took 92.75 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 135.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:21,601 INFO L168 Benchmark]: RCFGBuilder took 466.10 ms. Allocated memory is still 151.0 MB. Free memory was 135.0 MB in the beginning and 119.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:21,602 INFO L168 Benchmark]: TraceAbstraction took 283.57 ms. Allocated memory is still 151.0 MB. Free memory was 118.8 MB in the beginning and 107.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-24 02:40:21,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 382.41 ms. Allocated memory is still 151.0 MB. Free memory was 134.2 MB in the beginning and 124.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.75 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 135.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 466.10 ms. Allocated memory is still 151.0 MB. Free memory was 135.0 MB in the beginning and 119.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 283.57 ms. Allocated memory is still 151.0 MB. Free memory was 118.8 MB in the beginning and 107.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 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...