./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg --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 8442e4be436a6d06471dc8111c0d0af3b50a095a75626fa9d3a0ac215b40221d ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:47:37,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:47:37,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:47:37,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:47:37,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:47:37,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:47:37,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:47:37,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:47:37,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:47:37,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:47:37,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:47:37,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:47:37,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:47:37,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:47:37,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:47:37,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:47:37,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:47:37,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:47:37,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:47:37,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:47:37,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:47:37,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:47:37,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:47:37,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:47:37,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:47:37,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:47:37,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:47:37,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:47:37,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:47:37,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:47:37,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:47:37,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:47:37,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:47:37,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:47:37,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:47:37,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:47:37,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:47:37,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:47:37,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:47:37,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:47:37,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:47:37,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:47:37,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:47:37,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:47:37,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:47:37,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:47:37,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:47:37,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:47:37,576 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:47:37,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:47:37,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:47:37,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:47:37,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:47:37,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:47:37,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:47:37,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:47:37,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:47:37,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:47:37,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:47:37,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:47:37,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:47:37,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:47:37,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:47:37,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:47:37,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:47:37,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:47:37,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:47:37,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:47:37,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:47:37,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:47:37,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:47:37,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:47:37,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:47:37,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:47:37,585 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_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8442e4be436a6d06471dc8111c0d0af3b50a095a75626fa9d3a0ac215b40221d [2021-10-28 08:47:37,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:47:37,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:47:37,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:47:37,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:47:37,880 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:47:37,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2021-10-28 08:47:37,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/data/2def4a370/89b251b03bd24652b8f13c1a793ec821/FLAG1ecbf4dc7 [2021-10-28 08:47:38,376 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:47:38,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2021-10-28 08:47:38,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/data/2def4a370/89b251b03bd24652b8f13c1a793ec821/FLAG1ecbf4dc7 [2021-10-28 08:47:38,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/data/2def4a370/89b251b03bd24652b8f13c1a793ec821 [2021-10-28 08:47:38,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:47:38,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:47:38,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:47:38,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:47:38,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:47:38,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:47:38" (1/1) ... [2021-10-28 08:47:38,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6a1edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:38, skipping insertion in model container [2021-10-28 08:47:38,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:47:38" (1/1) ... [2021-10-28 08:47:38,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:47:38,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:47:38,991 WARN L228 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_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c[2031,2044] [2021-10-28 08:47:39,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:47:39,009 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:47:39,029 WARN L228 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_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c[2031,2044] [2021-10-28 08:47:39,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:47:39,047 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:47:39,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39 WrapperNode [2021-10-28 08:47:39,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:47:39,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:47:39,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:47:39,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:47:39,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:47:39,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:47:39,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:47:39,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:47:39,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:47:39,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:47:39,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:47:39,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:47:39,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (1/1) ... [2021-10-28 08:47:39,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:47:39,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:47:39,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:47:39,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:47:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:47:39,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:47:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:47:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:47:48,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:47:48,341 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 08:47:48,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:47:48 BoogieIcfgContainer [2021-10-28 08:47:48,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:47:48,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:47:48,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:47:48,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:47:48,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:47:38" (1/3) ... [2021-10-28 08:47:48,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210872e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:47:48, skipping insertion in model container [2021-10-28 08:47:48,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:47:39" (2/3) ... [2021-10-28 08:47:48,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210872e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:47:48, skipping insertion in model container [2021-10-28 08:47:48,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:47:48" (3/3) ... [2021-10-28 08:47:48,350 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2021-10-28 08:47:48,354 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:47:48,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:47:48,395 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:47:48,402 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:47:48,402 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:47:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 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) [2021-10-28 08:47:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-28 08:47:48,430 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:47:48,430 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:47:48,431 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:47:48,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:47:48,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1060254097, now seen corresponding path program 1 times [2021-10-28 08:47:48,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:47:48,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912942089] [2021-10-28 08:47:48,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:47:48,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:47:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:47:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:47:48,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:47:48,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912942089] [2021-10-28 08:47:48,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912942089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:47:48,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:47:48,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:47:48,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782187119] [2021-10-28 08:47:48,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:47:48,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:47:48,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:47:48,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:47:48,966 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 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 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-10-28 08:48:00,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:00,177 INFO L93 Difference]: Finished difference Result 61 states and 82 transitions. [2021-10-28 08:48:00,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:48:00,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2021-10-28 08:48:00,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:00,185 INFO L225 Difference]: With dead ends: 61 [2021-10-28 08:48:00,186 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 08:48:00,189 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:48:00,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 08:48:00,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-10-28 08:48:00,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 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) [2021-10-28 08:48:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-10-28 08:48:00,216 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 11 [2021-10-28 08:48:00,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:00,217 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-10-28 08:48:00,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-10-28 08:48:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-10-28 08:48:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 08:48:00,218 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:48:00,219 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:00,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:48:00,219 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:48:00,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:00,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1251142831, now seen corresponding path program 1 times [2021-10-28 08:48:00,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:00,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266129620] [2021-10-28 08:48:00,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:00,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:00,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:00,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266129620] [2021-10-28 08:48:00,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266129620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:00,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:00,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:48:00,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537479458] [2021-10-28 08:48:00,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:48:00,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:00,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:48:00,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:48:00,469 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-28 08:48:09,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:09,373 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-10-28 08:48:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:48:09,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-10-28 08:48:09,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:48:09,375 INFO L225 Difference]: With dead ends: 45 [2021-10-28 08:48:09,375 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:48:09,376 INFO L786 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 [2021-10-28 08:48:09,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:48:09,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:48:09,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-28 08:48:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:48:09,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-10-28 08:48:09,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:48:09,377 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:48:09,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-28 08:48:09,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:48:09,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:48:09,380 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:48:09,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:48:09,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:48:09,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:09,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:09,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:09,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:09,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:09,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:09,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:48:09,414 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-28 08:48:09,415 INFO L857 garLoopResultBuilder]: For program point L56(lines 56 83) no Hoare annotation was computed. [2021-10-28 08:48:09,415 INFO L853 garLoopResultBuilder]: At program point L52(lines 24 141) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296))))))) [2021-10-28 08:48:09,415 INFO L860 garLoopResultBuilder]: At program point L135(lines 35 140) the Hoare annotation is: true [2021-10-28 08:48:09,416 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:48:09,416 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:48:09,416 INFO L853 garLoopResultBuilder]: At program point L61(lines 36 112) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296))))))) [2021-10-28 08:48:09,416 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:48:09,417 INFO L860 garLoopResultBuilder]: At program point L123(lines 35 140) the Hoare annotation is: true [2021-10-28 08:48:09,417 INFO L857 garLoopResultBuilder]: For program point L24(lines 24 141) no Hoare annotation was computed. [2021-10-28 08:48:09,417 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2021-10-28 08:48:09,417 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 111) no Hoare annotation was computed. [2021-10-28 08:48:09,418 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:48:09,418 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 104) no Hoare annotation was computed. [2021-10-28 08:48:09,418 INFO L860 garLoopResultBuilder]: At program point L145(lines 15 147) the Hoare annotation is: true [2021-10-28 08:48:09,419 INFO L853 garLoopResultBuilder]: At program point L42(lines 24 141) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296))))))) [2021-10-28 08:48:09,419 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 82) no Hoare annotation was computed. [2021-10-28 08:48:09,419 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 110) no Hoare annotation was computed. [2021-10-28 08:48:09,419 INFO L857 garLoopResultBuilder]: For program point L22(lines 22 146) no Hoare annotation was computed. [2021-10-28 08:48:09,419 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 139) no Hoare annotation was computed. [2021-10-28 08:48:09,420 INFO L857 garLoopResultBuilder]: For program point L47(lines 47 84) no Hoare annotation was computed. [2021-10-28 08:48:09,420 INFO L860 garLoopResultBuilder]: At program point L138(lines 16 147) the Hoare annotation is: true [2021-10-28 08:48:09,420 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 140) no Hoare annotation was computed. [2021-10-28 08:48:09,423 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 08:48:09,425 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:48:09,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:48:09 BoogieIcfgContainer [2021-10-28 08:48:09,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:48:09,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:48:09,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:48:09,441 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:48:09,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:47:48" (3/4) ... [2021-10-28 08:48:09,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:48:09,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 08:48:09,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:48:09,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:48:09,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:48:09,510 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:48:09,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:48:09,512 INFO L168 Benchmark]: Toolchain (without parser) took 30752.97 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 78.0 MB in the end (delta: -26.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:48:09,513 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:48:09,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.53 ms. Allocated memory is still 94.4 MB. Free memory was 51.7 MB in the beginning and 68.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:09,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.71 ms. Allocated memory is still 94.4 MB. Free memory was 67.9 MB in the beginning and 66.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:09,514 INFO L168 Benchmark]: Boogie Preprocessor took 22.91 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 65.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:09,515 INFO L168 Benchmark]: RCFGBuilder took 9231.45 ms. Allocated memory is still 94.4 MB. Free memory was 65.0 MB in the beginning and 54.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:09,516 INFO L168 Benchmark]: TraceAbstraction took 21096.43 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 81.4 MB in the end (delta: -27.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:48:09,516 INFO L168 Benchmark]: Witness Printer took 69.79 ms. Allocated memory is still 113.2 MB. Free memory was 81.4 MB in the beginning and 78.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:09,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.53 ms. Allocated memory is still 94.4 MB. Free memory was 51.7 MB in the beginning and 68.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.71 ms. Allocated memory is still 94.4 MB. Free memory was 67.9 MB in the beginning and 66.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.91 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 65.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9231.45 ms. Allocated memory is still 94.4 MB. Free memory was 65.0 MB in the beginning and 54.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21096.43 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 81.4 MB in the end (delta: -27.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 69.79 ms. Allocated memory is still 113.2 MB. Free memory was 81.4 MB in the beginning and 78.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 97]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 16 SDslu, 74 SDs, 0 SdLazy, 33 SolverSat, 5 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=1, InterpolantAutomatonStates: 9, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 17 NumberOfFragments, 127 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 08:48:09,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9f4bf-4a6d-4f3a-86ef-94e7cad6b6f7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...