./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound100.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f9153fe2f6373b18a53e1a2a264a2943c066301 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:19,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:19,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:19,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:19,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:19,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:19,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:19,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:19,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:19,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:19,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:19,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:19,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:19,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:19,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:19,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:19,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:19,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:19,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:19,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:19,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:19,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:19,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:19,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:19,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:19,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:19,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:19,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:19,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:19,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:19,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:19,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:19,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:19,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:19,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:19,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:19,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:19,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:19,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:19,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:19,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:19,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:19,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:19,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:19,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:19,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:19,712 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:19,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:19,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:19,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:19,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:19,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:19,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:19,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:19,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:19,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:19,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:19,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:19,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:19,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:19,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:19,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:19,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:19,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:19,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:19,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:19,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:19,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:19,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:19,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:19,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:19,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f9153fe2f6373b18a53e1a2a264a2943c066301 [2020-11-28 03:20:20,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:20,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:20,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:20,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:20,077 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:20,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound100.c [2020-11-28 03:20:20,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/data/391c6f91f/554835a03e034894b8afc37ec4a0cc1d/FLAGfcc3d0963 [2020-11-28 03:20:20,661 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:20,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound100.c [2020-11-28 03:20:20,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/data/391c6f91f/554835a03e034894b8afc37ec4a0cc1d/FLAGfcc3d0963 [2020-11-28 03:20:21,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/data/391c6f91f/554835a03e034894b8afc37ec4a0cc1d [2020-11-28 03:20:21,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:21,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:21,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:21,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:21,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:21,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d3f082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21, skipping insertion in model container [2020-11-28 03:20:21,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:21,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:21,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:21,327 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:21,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:21,371 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:21,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21 WrapperNode [2020-11-28 03:20:21,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:21,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:21,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:21,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:21,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:21,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:21,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:21,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:21,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... [2020-11-28 03:20:21,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:21,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:21,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:21,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:21,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/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 [2020-11-28 03:20:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:21,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-11-28 03:20:21,942 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:21,943 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-28 03:20:21,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:21 BoogieIcfgContainer [2020-11-28 03:20:21,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:21,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:21,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:21,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:21,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:21" (1/3) ... [2020-11-28 03:20:21,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f34a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:21, skipping insertion in model container [2020-11-28 03:20:21,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:21" (2/3) ... [2020-11-28 03:20:21,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f34a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:21, skipping insertion in model container [2020-11-28 03:20:21,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:21" (3/3) ... [2020-11-28 03:20:21,955 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-u_unwindbound100.c [2020-11-28 03:20:21,969 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:21,973 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-28 03:20:21,985 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-28 03:20:22,020 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:22,021 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:22,021 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:22,021 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:22,022 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:22,022 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:22,022 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:22,022 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-11-28 03:20:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 03:20:22,045 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:22,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:20:22,046 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:22,053 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2020-11-28 03:20:22,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:22,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205813479] [2020-11-28 03:20:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:22,181 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:20:22,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119577387] [2020-11-28 03:20:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:22,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:20:22,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:22,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205813479] [2020-11-28 03:20:22,362 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:20:22,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119577387] [2020-11-28 03:20:22,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:22,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:20:22,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410131085] [2020-11-28 03:20:22,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:22,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:22,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:22,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:22,384 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2020-11-28 03:20:22,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:22,517 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2020-11-28 03:20:22,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:20:22,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-28 03:20:22,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:22,526 INFO L225 Difference]: With dead ends: 39 [2020-11-28 03:20:22,526 INFO L226 Difference]: Without dead ends: 21 [2020-11-28 03:20:22,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:22,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-28 03:20:22,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2020-11-28 03:20:22,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:20:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-11-28 03:20:22,562 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 6 [2020-11-28 03:20:22,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:22,563 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-11-28 03:20:22,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-11-28 03:20:22,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:20:22,563 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:22,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:22,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-11-28 03:20:22,789 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:22,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:22,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1806863068, now seen corresponding path program 1 times [2020-11-28 03:20:22,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:22,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662085259] [2020-11-28 03:20:22,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:22,809 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:20:22,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456985466] [2020-11-28 03:20:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:22,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:20:22,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:22,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662085259] [2020-11-28 03:20:22,898 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:20:22,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456985466] [2020-11-28 03:20:22,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:22,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:22,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451455020] [2020-11-28 03:20:22,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:22,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:22,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:22,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:22,902 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 4 states. [2020-11-28 03:20:22,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:22,994 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2020-11-28 03:20:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:22,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-28 03:20:22,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:22,995 INFO L225 Difference]: With dead ends: 19 [2020-11-28 03:20:22,995 INFO L226 Difference]: Without dead ends: 15 [2020-11-28 03:20:22,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:22,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-28 03:20:22,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-28 03:20:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:20:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-11-28 03:20:22,999 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 7 [2020-11-28 03:20:23,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:23,000 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-11-28 03:20:23,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:23,000 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-11-28 03:20:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:20:23,000 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:23,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:23,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:23,201 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:23,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:23,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1275448533, now seen corresponding path program 1 times [2020-11-28 03:20:23,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:23,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994002103] [2020-11-28 03:20:23,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:23,222 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:20:23,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422241697] [2020-11-28 03:20:23,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:23,297 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:23,321 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:23,342 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:23,343 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:20:23,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:23,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:23 BoogieIcfgContainer [2020-11-28 03:20:23,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:23,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:23,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:23,578 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:23,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:21" (3/4) ... [2020-11-28 03:20:23,580 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:20:23,619 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5211b0d9-4754-4240-b129-d5aedd232914/bin/uautomizer/witness.graphml [2020-11-28 03:20:23,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:23,621 INFO L168 Benchmark]: Toolchain (without parser) took 2604.39 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 60.7 MB in the beginning and 52.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,621 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:23,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.00 ms. Allocated memory is still 90.2 MB. Free memory was 60.4 MB in the beginning and 67.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.58 ms. Allocated memory is still 90.2 MB. Free memory was 67.9 MB in the beginning and 66.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,623 INFO L168 Benchmark]: Boogie Preprocessor took 43.68 ms. Allocated memory is still 90.2 MB. Free memory was 66.5 MB in the beginning and 65.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:23,624 INFO L168 Benchmark]: RCFGBuilder took 485.46 ms. Allocated memory is still 90.2 MB. Free memory was 65.4 MB in the beginning and 53.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,624 INFO L168 Benchmark]: TraceAbstraction took 1629.59 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.2 MB in the beginning and 54.5 MB in the end (delta: -1.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,625 INFO L168 Benchmark]: Witness Printer took 41.46 ms. Allocated memory is still 109.1 MB. Free memory was 54.5 MB in the beginning and 52.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.00 ms. Allocated memory is still 90.2 MB. Free memory was 60.4 MB in the beginning and 67.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.58 ms. Allocated memory is still 90.2 MB. Free memory was 67.9 MB in the beginning and 66.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.68 ms. Allocated memory is still 90.2 MB. Free memory was 66.5 MB in the beginning and 65.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 485.46 ms. Allocated memory is still 90.2 MB. Free memory was 65.4 MB in the beginning and 53.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1629.59 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.2 MB in the beginning and 54.5 MB in the end (delta: -1.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 41.46 ms. Allocated memory is still 109.1 MB. Free memory was 54.5 MB in the beginning and 52.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] int counter = 0; VAL [counter=0] [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_unsigned_int() [L27] k = __VERIFIER_nondet_unsigned_int() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [counter=0] [L33] EXPR counter++ VAL [counter=1] [L33] COND TRUE counter++<100 [L16] COND FALSE !(!(cond)) VAL [counter=1] [L36] COND TRUE !(c < k) VAL [counter=1] [L45] x = x * (z - 1) [L16] COND TRUE !(cond) VAL [counter=1] [L9] __assert_fail("0", "geo1-u.c", 9, "reach_error") VAL [counter=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 8 SDslu, 42 SDs, 0 SdLazy, 24 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 5 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 proved your program to be incorrect! Received shutdown request...