./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb38a6277789313b4c0c250f5b5f1ba7c2b250b2041c8bed6de57b5504d1e25c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:17:35,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:17:35,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:17:35,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:17:35,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:17:35,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:17:35,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:17:35,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:17:35,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:17:35,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:17:35,684 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:17:35,684 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:17:35,685 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:17:35,685 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:17:35,686 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:17:35,686 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:17:35,687 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:17:35,687 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:17:35,688 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:17:35,688 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:17:35,689 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:17:35,690 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:17:35,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:17:35,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:17:35,692 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:17:35,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:17:35,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:17:35,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:17:35,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:17:35,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:17:35,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:17:35,695 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:17:35,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:17:35,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:17:35,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:17:35,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:17:35,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:17:35,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:17:35,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:17:35,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:17:35,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:17:35,697 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:17:35,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:17:35,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:17:35,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:17:35,698 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:17:35,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:17:35,698 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb38a6277789313b4c0c250f5b5f1ba7c2b250b2041c8bed6de57b5504d1e25c [2023-12-02 14:17:35,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:17:35,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:17:35,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:17:35,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:17:35,951 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:17:35,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i [2023-12-02 14:17:38,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:17:38,853 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:17:38,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i [2023-12-02 14:17:38,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/data/0f7a5941b/41b6f59f4c5b489da9c2b247bf263edd/FLAG1637d0ef4 [2023-12-02 14:17:38,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/data/0f7a5941b/41b6f59f4c5b489da9c2b247bf263edd [2023-12-02 14:17:38,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:17:38,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:17:38,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:17:38,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:17:38,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:17:38,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:17:38" (1/1) ... [2023-12-02 14:17:38,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c2db10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:38, skipping insertion in model container [2023-12-02 14:17:38,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:17:38" (1/1) ... [2023-12-02 14:17:38,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:17:39,030 WARN L240 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_5c72752b-10ad-421e-9e2f-79ed7d36a681/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i[915,928] [2023-12-02 14:17:39,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:17:39,082 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:17:39,093 WARN L240 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_5c72752b-10ad-421e-9e2f-79ed7d36a681/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i[915,928] [2023-12-02 14:17:39,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:17:39,130 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:17:39,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39 WrapperNode [2023-12-02 14:17:39,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:17:39,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:17:39,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:17:39,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:17:39,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,179 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-12-02 14:17:39,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:17:39,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:17:39,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:17:39,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:17:39,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:17:39,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:17:39,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:17:39,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:17:39,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (1/1) ... [2023-12-02 14:17:39,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:17:39,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:17:39,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:17:39,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:17:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:17:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:17:39,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:17:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:17:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:17:39,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:17:39,384 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:17:39,387 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:17:39,641 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:17:39,807 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:17:39,808 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:17:39,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:39 BoogieIcfgContainer [2023-12-02 14:17:39,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:17:39,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:17:39,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:17:39,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:17:39,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:17:38" (1/3) ... [2023-12-02 14:17:39,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a43a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:17:39, skipping insertion in model container [2023-12-02 14:17:39,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:39" (2/3) ... [2023-12-02 14:17:39,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a43a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:17:39, skipping insertion in model container [2023-12-02 14:17:39,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:39" (3/3) ... [2023-12-02 14:17:39,816 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-69.i [2023-12-02 14:17:39,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:17:39,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:17:39,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:17:39,879 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5d4e7baf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:17:39,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:17:39,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 14:17:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 14:17:39,891 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:39,892 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:39,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:17:39,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:39,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1095589087, now seen corresponding path program 1 times [2023-12-02 14:17:39,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:39,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429815489] [2023-12-02 14:17:39,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:40,046 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:17:40,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766794679] [2023-12-02 14:17:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:40,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:17:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:17:40,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:17:40,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:17:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:41,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 14:17:41,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:17:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 154 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-02 14:17:47,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:23:29,139 WARN L293 SmtUtils]: Spent 1.70m on a formula simplification. DAG size of input: 79 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:24:08,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:24:08,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429815489] [2023-12-02 14:24:08,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:24:08,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766794679] [2023-12-02 14:24:08,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766794679] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:24:08,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [775622508] [2023-12-02 14:24:08,871 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2023-12-02 14:24:08,871 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:24:08,874 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:24:08,877 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:24:08,878 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:24:11,141 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 38 for LOIs [2023-12-02 14:24:11,145 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:24:13,571 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '243#(and (<= ~var_1_10~0 32766) (<= |ULTIMATE.start_main_#t~ret17#1| 2147483647) (<= ~var_1_17~0 32766) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 0 (+ 32767 ~var_1_15~0)) (<= 1 |#StackHeapBarrier|) (<= ~var_1_16~0 32766) (= |ULTIMATE.start_main_~k_loop~0#1| 0) (<= 0 ~var_1_11~0) (<= 0 (+ 32767 ~var_1_16~0)) (<= 0 (+ |ULTIMATE.start_main_#t~ret17#1| 2147483648)) (<= ~var_1_15~0 32766) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (= ~isInitial~0 1) (<= |ULTIMATE.start_property_#res#1| 2147483647) (<= 0 (+ ~var_1_10~0 1)) (<= 0 ~var_1_17~0) (<= ~var_1_11~0 32766))' at error location [2023-12-02 14:24:13,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:24:13,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:24:13,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-12-02 14:24:13,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928568314] [2023-12-02 14:24:13,574 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 14:24:13,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 14:24:13,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:24:13,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 14:24:13,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1013, Unknown=1, NotChecked=0, Total=1332 [2023-12-02 14:24:13,603 INFO L87 Difference]: Start difference. First operand has 34 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 12 states, 7 states have (on average 2.857142857142857) internal successors, (20), 10 states have internal predecessors, (20), 5 states have call successors, (16), 5 states have call predecessors, (16), 7 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-02 14:24:13,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:24:13,776 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2023-12-02 14:24:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 14:24:13,778 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 2.857142857142857) internal successors, (20), 10 states have internal predecessors, (20), 5 states have call successors, (16), 5 states have call predecessors, (16), 7 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 61 [2023-12-02 14:24:13,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:24:13,783 INFO L225 Difference]: With dead ends: 74 [2023-12-02 14:24:13,783 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 14:24:13,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 119.9s TimeCoverageRelationStatistics Valid=327, Invalid=1078, Unknown=1, NotChecked=0, Total=1406 [2023-12-02 14:24:13,789 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 23 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:24:13,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 61 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:24:13,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 14:24:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 14:24:13,806 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) [2023-12-02 14:24:13,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 14:24:13,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2023-12-02 14:24:13,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:24:13,808 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 14:24:13,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 2.857142857142857) internal successors, (20), 10 states have internal predecessors, (20), 5 states have call successors, (16), 5 states have call predecessors, (16), 7 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2023-12-02 14:24:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 14:24:13,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 14:24:13,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:24:13,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:24:14,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 14:24:14,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 14:24:14,109 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-02 14:24:14,109 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-02 14:24:14,109 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-02 14:24:14,110 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 (+ ~var_1_10~0 1))) [2023-12-02 14:24:14,110 INFO L895 garLoopResultBuilder]: At program point L77-1(line 77) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1))) [2023-12-02 14:24:14,110 INFO L899 garLoopResultBuilder]: For program point L69(line 69) no Hoare annotation was computed. [2023-12-02 14:24:14,110 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,110 INFO L895 garLoopResultBuilder]: At program point L86-1(line 86) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,110 INFO L899 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2023-12-02 14:24:14,111 INFO L899 garLoopResultBuilder]: For program point L87(lines 62 88) no Hoare annotation was computed. [2023-12-02 14:24:14,111 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 14:24:14,111 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,111 INFO L895 garLoopResultBuilder]: At program point L71-1(line 71) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,111 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,111 INFO L895 garLoopResultBuilder]: At program point L80-1(line 80) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,112 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-12-02 14:24:14,112 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,112 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2023-12-02 14:24:14,112 INFO L899 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2023-12-02 14:24:14,112 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-02 14:24:14,112 INFO L902 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: true [2023-12-02 14:24:14,113 INFO L895 garLoopResultBuilder]: At program point L74-1(line 74) the Hoare annotation is: (<= 0 (+ ~var_1_10~0 1)) [2023-12-02 14:24:14,113 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,113 INFO L899 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2023-12-02 14:24:14,113 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 14:24:14,113 INFO L895 garLoopResultBuilder]: At program point L99-3(lines 99 105) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,113 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,114 INFO L895 garLoopResultBuilder]: At program point L83-1(line 83) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,114 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2023-12-02 14:24:14,114 INFO L899 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2023-12-02 14:24:14,114 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,114 INFO L895 garLoopResultBuilder]: At program point L68-1(line 68) the Hoare annotation is: (and (<= ~var_1_10~0 32766) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_10~0 1)) (<= ~var_1_11~0 32766)) [2023-12-02 14:24:14,114 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-02 14:24:14,114 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-02 14:24:14,118 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:24:14,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:24:14,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:24:14 BoogieIcfgContainer [2023-12-02 14:24:14,131 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:24:14,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:24:14,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:24:14,132 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:24:14,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:39" (3/4) ... [2023-12-02 14:24:14,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 14:24:14,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 14:24:14,142 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-12-02 14:24:14,142 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 14:24:14,143 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 14:24:14,143 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 14:24:14,246 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 14:24:14,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 14:24:14,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:24:14,248 INFO L158 Benchmark]: Toolchain (without parser) took 395370.63ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 149.1MB in the beginning and 62.0MB in the end (delta: 87.0MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. [2023-12-02 14:24:14,248 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:24:14,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.76ms. Allocated memory is still 188.7MB. Free memory was 148.6MB in the beginning and 136.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:24:14,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.91ms. Allocated memory is still 188.7MB. Free memory was 136.4MB in the beginning and 133.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:24:14,250 INFO L158 Benchmark]: Boogie Preprocessor took 32.96ms. Allocated memory is still 188.7MB. Free memory was 133.9MB in the beginning and 132.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:24:14,250 INFO L158 Benchmark]: RCFGBuilder took 595.64ms. Allocated memory is still 188.7MB. Free memory was 131.8MB in the beginning and 149.3MB in the end (delta: -17.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-12-02 14:24:14,250 INFO L158 Benchmark]: TraceAbstraction took 394319.55ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 148.3MB in the beginning and 68.3MB in the end (delta: 80.0MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. [2023-12-02 14:24:14,251 INFO L158 Benchmark]: Witness Printer took 116.03ms. Allocated memory is still 226.5MB. Free memory was 68.3MB in the beginning and 62.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 14:24:14,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.76ms. Allocated memory is still 188.7MB. Free memory was 148.6MB in the beginning and 136.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.91ms. Allocated memory is still 188.7MB. Free memory was 136.4MB in the beginning and 133.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.96ms. Allocated memory is still 188.7MB. Free memory was 133.9MB in the beginning and 132.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.64ms. Allocated memory is still 188.7MB. Free memory was 131.8MB in the beginning and 149.3MB in the end (delta: -17.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * TraceAbstraction took 394319.55ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 148.3MB in the beginning and 68.3MB in the end (delta: 80.0MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. * Witness Printer took 116.03ms. Allocated memory is still 226.5MB. Free memory was 68.3MB in the beginning and 62.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 394.3s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 146 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 24 mSDtfsCounter, 146 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 119.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 49 PreInvPairs, 66 NumberOfFragments, 223 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 387.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 467 SizeOfPredicates, 18 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 215/240 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: 99]: Loop Invariant Derived loop invariant: ((((var_1_10 <= 32766) && (0 <= var_1_11)) && (0 <= (var_1_10 + 1))) && (var_1_11 <= 32766)) RESULT: Ultimate proved your program to be correct! [2023-12-02 14:24:14,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c72752b-10ad-421e-9e2f-79ed7d36a681/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE