./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_1_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN --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 10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:36:06,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:36:06,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:36:06,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:36:06,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:36:06,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:36:06,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:36:06,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:36:06,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:36:06,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:36:06,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:36:06,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:36:06,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:36:06,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:36:06,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:36:06,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:36:06,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:36:06,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:36:06,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:36:06,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:36:06,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:36:06,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:36:06,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:36:06,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:36:06,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:36:06,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:36:06,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:36:06,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:36:06,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:36:06,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:36:06,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:36:06,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:36:06,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:36:06,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:36:06,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:36:06,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:36:06,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:36:06,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:36:06,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:36:06,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:36:06,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:36:06,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:36:06,158 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:36:06,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:36:06,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:36:06,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:36:06,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:36:06,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:36:06,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:36:06,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:36:06,161 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:36:06,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:36:06,162 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:36:06,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:36:06,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:36:06,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:36:06,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:36:06,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:36:06,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:36:06,164 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:36:06,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:36:06,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:36:06,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:36:06,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:36:06,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:36:06,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:36:06,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:36:06,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:36:06,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:36:06,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:36:06,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:36:06,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:36:06,167 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:36:06,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:36:06,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:36:06,168 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_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f [2022-11-20 09:36:06,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:36:06,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:36:06,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:36:06,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:36:06,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:36:06,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/combinations/gcd_1+newton_1_3.i [2022-11-20 09:36:09,727 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:36:10,000 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:36:10,001 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i [2022-11-20 09:36:10,012 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/data/2741e2dd4/c82ca75ce43b49998bc1be629f613d72/FLAGee851ed88 [2022-11-20 09:36:10,072 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/data/2741e2dd4/c82ca75ce43b49998bc1be629f613d72 [2022-11-20 09:36:10,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:36:10,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:36:10,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:36:10,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:36:10,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:36:10,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60413ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10, skipping insertion in model container [2022-11-20 09:36:10,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:36:10,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:36:10,307 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i[1226,1239] [2022-11-20 09:36:10,352 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i[2786,2799] [2022-11-20 09:36:10,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:36:10,376 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:36:10,398 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i[1226,1239] [2022-11-20 09:36:10,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i[2786,2799] [2022-11-20 09:36:10,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:36:10,428 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:36:10,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10 WrapperNode [2022-11-20 09:36:10,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:36:10,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:36:10,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:36:10,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:36:10,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,491 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2022-11-20 09:36:10,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:36:10,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:36:10,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:36:10,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:36:10,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,528 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:36:10,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:36:10,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:36:10,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:36:10,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (1/1) ... [2022-11-20 09:36:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:36:10,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:10,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:10,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:36:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:36:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:36:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:36:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:36:10,728 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:36:10,730 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:36:11,005 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:36:11,012 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:36:11,012 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 09:36:11,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:36:11 BoogieIcfgContainer [2022-11-20 09:36:11,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:36:11,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:36:11,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:36:11,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:36:11,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:36:10" (1/3) ... [2022-11-20 09:36:11,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab1728e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:36:11, skipping insertion in model container [2022-11-20 09:36:11,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:10" (2/3) ... [2022-11-20 09:36:11,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab1728e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:36:11, skipping insertion in model container [2022-11-20 09:36:11,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:36:11" (3/3) ... [2022-11-20 09:36:11,024 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_1_3.i [2022-11-20 09:36:11,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:36:11,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 09:36:11,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:36:11,189 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42c11ff8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:36:11,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 09:36:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:11,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 09:36:11,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:11,205 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:11,206 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:36:11,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:11,217 INFO L85 PathProgramCache]: Analyzing trace with hash 447749113, now seen corresponding path program 1 times [2022-11-20 09:36:11,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:11,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813661703] [2022-11-20 09:36:11,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:11,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:36:11,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:36:11,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813661703] [2022-11-20 09:36:11,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813661703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:36:11,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:36:11,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:36:11,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075691725] [2022-11-20 09:36:11,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:36:11,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:36:11,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:36:11,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:36:11,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:36:11,501 INFO L87 Difference]: Start difference. First operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:11,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:11,521 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2022-11-20 09:36:11,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:36:11,524 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 09:36:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:11,534 INFO L225 Difference]: With dead ends: 46 [2022-11-20 09:36:11,534 INFO L226 Difference]: Without dead ends: 19 [2022-11-20 09:36:11,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:36:11,542 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:11,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:36:11,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-20 09:36:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-20 09:36:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-20 09:36:11,587 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2022-11-20 09:36:11,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:11,588 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-20 09:36:11,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-20 09:36:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 09:36:11,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:11,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:11,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:36:11,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:36:11,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:11,595 INFO L85 PathProgramCache]: Analyzing trace with hash 505007415, now seen corresponding path program 1 times [2022-11-20 09:36:11,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:11,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736081022] [2022-11-20 09:36:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:11,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:11,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:11,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:11,693 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 09:36:11,695 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-20 09:36:11,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-20 09:36:11,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:36:11,702 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 09:36:11,706 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:36:11,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:36:11 BoogieIcfgContainer [2022-11-20 09:36:11,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:36:11,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:36:11,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:36:11,746 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:36:11,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:36:11" (3/4) ... [2022-11-20 09:36:11,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:36:11,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:36:11,752 INFO L158 Benchmark]: Toolchain (without parser) took 1674.16ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 89.2MB in the end (delta: 52.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-20 09:36:11,752 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 127.9MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:36:11,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.01ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 130.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 09:36:11,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.39ms. Allocated memory is still 169.9MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:36:11,757 INFO L158 Benchmark]: Boogie Preprocessor took 50.32ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 127.0MB in the end (delta: 908.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:36:11,760 INFO L158 Benchmark]: RCFGBuilder took 470.28ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 114.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 09:36:11,761 INFO L158 Benchmark]: TraceAbstraction took 725.38ms. Allocated memory is still 169.9MB. Free memory was 114.1MB in the beginning and 89.2MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 09:36:11,761 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 169.9MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:36:11,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 127.9MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.01ms. Allocated memory is still 169.9MB. Free memory was 141.4MB in the beginning and 130.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.39ms. Allocated memory is still 169.9MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.32ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 127.0MB in the end (delta: 908.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.28ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 114.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 725.38ms. Allocated memory is still 169.9MB. Free memory was 114.1MB in the beginning and 89.2MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 169.9MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 102]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 93. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L75] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L91] RET assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=109, x=109] [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=109, x=109] [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) VAL [IN=109] [L102] reach_error() VAL [IN=109] - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces [2022-11-20 09:36:11,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN --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 10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:36:14,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:36:14,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:36:14,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:36:14,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:36:14,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:36:14,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:36:14,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:36:14,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:36:14,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:36:14,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:36:14,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:36:14,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:36:14,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:36:14,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:36:14,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:36:14,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:36:14,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:36:14,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:36:14,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:36:14,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:36:14,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:36:14,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:36:14,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:36:14,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:36:14,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:36:14,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:36:14,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:36:14,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:36:14,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:36:14,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:36:14,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:36:14,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:36:14,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:36:14,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:36:14,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:36:14,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:36:14,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:36:14,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:36:14,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:36:14,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:36:14,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 09:36:14,484 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:36:14,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:36:14,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:36:14,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:36:14,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:36:14,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:36:14,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:36:14,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:36:14,489 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:36:14,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:36:14,490 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:36:14,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:36:14,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:36:14,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:36:14,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:36:14,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:36:14,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:36:14,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:36:14,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:36:14,493 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:36:14,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:36:14,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:36:14,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:36:14,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:36:14,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:36:14,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:36:14,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:36:14,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:36:14,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:36:14,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:36:14,496 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:36:14,497 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:36:14,497 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:36:14,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:36:14,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:36:14,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:36:14,498 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f [2022-11-20 09:36:14,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:36:14,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:36:14,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:36:14,948 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:36:14,949 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:36:14,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/combinations/gcd_1+newton_1_3.i [2022-11-20 09:36:18,211 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:36:18,462 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:36:18,463 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i [2022-11-20 09:36:18,480 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/data/68d26a6ca/392d57436ce54d3298911a42dc9302c3/FLAGc4efce7f5 [2022-11-20 09:36:18,497 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/data/68d26a6ca/392d57436ce54d3298911a42dc9302c3 [2022-11-20 09:36:18,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:36:18,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:36:18,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:36:18,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:36:18,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:36:18,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:18,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ed169d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18, skipping insertion in model container [2022-11-20 09:36:18,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:18,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:36:18,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:36:18,735 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i[1226,1239] [2022-11-20 09:36:18,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i[2786,2799] [2022-11-20 09:36:18,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:36:18,826 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:36:18,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i[1226,1239] [2022-11-20 09:36:18,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i[2786,2799] [2022-11-20 09:36:18,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:36:18,915 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:36:18,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18 WrapperNode [2022-11-20 09:36:18,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:36:18,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:36:18,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:36:18,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:36:18,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:18,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:18,972 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81 [2022-11-20 09:36:18,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:36:18,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:36:18,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:36:18,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:36:18,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:18,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:18,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:18,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:18,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:19,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:19,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:19,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:19,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:36:19,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:36:19,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:36:19,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:36:19,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (1/1) ... [2022-11-20 09:36:19,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:36:19,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:19,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:19,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:36:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:36:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:36:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:36:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:36:19,272 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:36:19,274 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:36:25,911 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:36:25,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:36:25,918 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 09:36:25,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:36:25 BoogieIcfgContainer [2022-11-20 09:36:25,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:36:25,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:36:25,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:36:25,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:36:25,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:36:18" (1/3) ... [2022-11-20 09:36:25,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcc68f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:36:25, skipping insertion in model container [2022-11-20 09:36:25,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:36:18" (2/3) ... [2022-11-20 09:36:25,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcc68f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:36:25, skipping insertion in model container [2022-11-20 09:36:25,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:36:25" (3/3) ... [2022-11-20 09:36:25,930 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_1_3.i [2022-11-20 09:36:25,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:36:25,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 09:36:26,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:36:26,022 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3dd3d869, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:36:26,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 09:36:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 09:36:26,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:26,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:26,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:36:26,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:26,051 INFO L85 PathProgramCache]: Analyzing trace with hash 447749113, now seen corresponding path program 1 times [2022-11-20 09:36:26,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:36:26,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625384374] [2022-11-20 09:36:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:26,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:36:26,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:36:26,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:36:26,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 09:36:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:27,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 09:36:27,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:36:27,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:36:27,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:36:27,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625384374] [2022-11-20 09:36:27,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625384374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:36:27,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:36:27,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:36:27,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155805139] [2022-11-20 09:36:27,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:36:27,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:36:27,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:36:27,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:36:27,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:36:27,375 INFO L87 Difference]: Start difference. First operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:27,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:27,391 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2022-11-20 09:36:27,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:36:27,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 09:36:27,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:27,400 INFO L225 Difference]: With dead ends: 46 [2022-11-20 09:36:27,400 INFO L226 Difference]: Without dead ends: 19 [2022-11-20 09:36:27,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:36:27,406 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:27,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:36:27,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-20 09:36:27,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-20 09:36:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:27,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-20 09:36:27,433 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2022-11-20 09:36:27,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:27,433 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-20 09:36:27,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-20 09:36:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 09:36:27,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:27,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:27,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:27,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:36:27,651 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:36:27,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash 505007415, now seen corresponding path program 1 times [2022-11-20 09:36:27,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:36:27,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538858710] [2022-11-20 09:36:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:27,653 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:36:27,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:36:27,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:36:27,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23be2f35-df52-48bc-8663-56ddee5387b3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process