./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/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 550ec37ea106a961ec829b579b965cfbf42e092dc2e195891251e93bd298ccf6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:43:19,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:43:19,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:43:19,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:43:19,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:43:19,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:43:19,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:43:19,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:43:19,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:43:19,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:43:19,097 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:43:19,098 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:43:19,098 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:43:19,099 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:43:19,099 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:43:19,100 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:43:19,100 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:43:19,101 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:43:19,102 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:43:19,102 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:43:19,103 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:43:19,103 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:43:19,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:43:19,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:43:19,105 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:43:19,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:43:19,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:43:19,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:43:19,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:43:19,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:43:19,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:43:19,108 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:43:19,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:43:19,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:43:19,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:43:19,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:43:19,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:43:19,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:43:19,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:43:19,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:43:19,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:43:19,112 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:43:19,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:43:19,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:43:19,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:43:19,113 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:43:19,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:43:19,113 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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 550ec37ea106a961ec829b579b965cfbf42e092dc2e195891251e93bd298ccf6 [2023-12-02 19:43:19,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:43:19,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:43:19,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:43:19,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:43:19,333 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:43:19,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i [2023-12-02 19:43:22,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:43:22,292 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:43:22,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i [2023-12-02 19:43:22,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/data/175cc17c4/5f581689490b4b8db59716437d40dd31/FLAGdf6169bf2 [2023-12-02 19:43:22,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/data/175cc17c4/5f581689490b4b8db59716437d40dd31 [2023-12-02 19:43:22,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:43:22,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:43:22,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:43:22,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:43:22,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:43:22,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286f6daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22, skipping insertion in model container [2023-12-02 19:43:22,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:43:22,518 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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i[916,929] [2023-12-02 19:43:22,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:43:22,601 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:43:22,613 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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i[916,929] [2023-12-02 19:43:22,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:43:22,667 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:43:22,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22 WrapperNode [2023-12-02 19:43:22,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:43:22,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:43:22,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:43:22,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:43:22,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,730 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 294 [2023-12-02 19:43:22,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:43:22,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:43:22,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:43:22,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:43:22,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:43:22,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:43:22,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:43:22,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:43:22,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (1/1) ... [2023-12-02 19:43:22,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:43:22,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:43:22,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:43:22,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:43:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:43:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:43:22,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:43:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:43:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:43:22,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:43:22,931 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:43:22,933 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:43:23,382 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:43:23,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:43:23,798 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:43:23,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:43:23 BoogieIcfgContainer [2023-12-02 19:43:23,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:43:23,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:43:23,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:43:23,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:43:23,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:43:22" (1/3) ... [2023-12-02 19:43:23,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2260a294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:43:23, skipping insertion in model container [2023-12-02 19:43:23,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:22" (2/3) ... [2023-12-02 19:43:23,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2260a294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:43:23, skipping insertion in model container [2023-12-02 19:43:23,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:43:23" (3/3) ... [2023-12-02 19:43:23,807 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-72.i [2023-12-02 19:43:23,821 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:43:23,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:43:23,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:43:23,865 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;@3321f0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:43:23,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:43:23,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 19:43:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 19:43:23,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:43:23,880 INFO L195 NwaCegarLoop]: trace histogram [29, 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, 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 19:43:23,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:43:23,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:43:23,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1554973514, now seen corresponding path program 1 times [2023-12-02 19:43:23,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:43:23,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172360921] [2023-12-02 19:43:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:43:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:43:24,040 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:43:24,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [196142330] [2023-12-02 19:43:24,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:43:24,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:43:24,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:43:24,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:43:24,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:43:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:43:24,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:43:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:43:24,582 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:43:24,584 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:43:24,585 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:43:24,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:43:24,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:43:24,801 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:43:24,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:43:24,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:43:24 BoogieIcfgContainer [2023-12-02 19:43:24,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:43:24,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:43:24,943 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:43:24,944 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:43:24,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:43:23" (3/4) ... [2023-12-02 19:43:24,945 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:43:24,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:43:24,947 INFO L158 Benchmark]: Toolchain (without parser) took 2625.57ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 91.4MB in the beginning and 54.2MB in the end (delta: 37.2MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2023-12-02 19:43:24,947 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:43:24,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.49ms. Allocated memory is still 127.9MB. Free memory was 90.9MB in the beginning and 74.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 19:43:24,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.45ms. Allocated memory is still 127.9MB. Free memory was 74.1MB in the beginning and 68.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:43:24,949 INFO L158 Benchmark]: Boogie Preprocessor took 50.65ms. Allocated memory is still 127.9MB. Free memory was 68.3MB in the beginning and 65.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:43:24,950 INFO L158 Benchmark]: RCFGBuilder took 1017.24ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 65.5MB in the beginning and 115.1MB in the end (delta: -49.6MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2023-12-02 19:43:24,950 INFO L158 Benchmark]: TraceAbstraction took 1140.95ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 54.2MB in the end (delta: 61.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-12-02 19:43:24,951 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 159.4MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:43:24,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.49ms. Allocated memory is still 127.9MB. Free memory was 90.9MB in the beginning and 74.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.45ms. Allocated memory is still 127.9MB. Free memory was 74.1MB in the beginning and 68.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.65ms. Allocated memory is still 127.9MB. Free memory was 68.3MB in the beginning and 65.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1017.24ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 65.5MB in the beginning and 115.1MB in the end (delta: -49.6MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1140.95ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 54.2MB in the end (delta: 61.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 159.4MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of bitwiseOr at line 62, overapproximation of bitwiseAnd at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryArithmeticFLOAToperation at line 74, overapproximation of someUnaryFLOAToperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] signed short int var_1_8 = -16; [L28] signed long int var_1_12 = -10; [L29] double var_1_14 = 127.8; [L30] double var_1_15 = 1.375; [L31] unsigned char var_1_19 = 1; [L32] float var_1_20 = 10.4; [L33] float var_1_21 = 3.075; [L34] double var_1_22 = 64.375; [L35] signed char var_1_23 = 16; [L36] signed char var_1_24 = 64; [L37] signed char var_1_25 = 0; [L38] double var_1_26 = 255.125; [L39] unsigned short int var_1_27 = 128; [L40] unsigned char var_1_28 = 1; [L41] unsigned short int var_1_29 = 128; [L42] unsigned short int var_1_30 = 49567; [L43] unsigned short int var_1_31 = 100; [L44] unsigned short int var_1_32 = 0; [L45] unsigned short int var_1_33 = 1; [L46] unsigned short int var_1_34 = 4; [L47] unsigned short int var_1_35 = 0; [L48] unsigned long int var_1_36 = 16; [L49] signed short int last_1_var_1_8 = -16; [L50] signed long int last_1_var_1_12 = -10; [L51] float last_1_var_1_20 = 10.4; [L52] signed char last_1_var_1_23 = 16; [L53] unsigned char last_1_var_1_28 = 1; [L54] unsigned short int last_1_var_1_29 = 128; [L55] unsigned long int last_1_var_1_36 = 16; [L204] isInitial = 1 [L205] FCALL initially() [L206] COND TRUE 1 [L207] CALL updateLastVariables() [L191] last_1_var_1_8 = var_1_8 [L192] last_1_var_1_12 = var_1_12 [L193] last_1_var_1_20 = var_1_20 [L194] last_1_var_1_23 = var_1_23 [L195] last_1_var_1_28 = var_1_28 [L196] last_1_var_1_29 = var_1_29 [L197] last_1_var_1_36 = var_1_36 [L207] RET updateLastVariables() [L208] CALL updateVariables() [L145] var_1_4 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L147] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L148] var_1_5 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L150] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L151] var_1_6 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=-16] [L153] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L154] var_1_7 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=-16] [L156] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_14=639/5, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L157] var_1_14 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L159] CALL assume_abort_if_not(var_1_14 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 != 0.0F) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_15=11/8, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L160] var_1_15 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L162] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_21=123/40, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L163] var_1_21 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=64, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L165] var_1_24 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_24 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 63) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L167] CALL assume_abort_if_not(var_1_24 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 126) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=0, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L168] var_1_25 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L170] CALL assume_abort_if_not(var_1_25 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 63) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=49567, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L171] var_1_30 = __VERIFIER_nondet_ushort() [L172] CALL assume_abort_if_not(var_1_30 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_30 >= 32767) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L173] CALL assume_abort_if_not(var_1_30 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_30 <= 65534) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=100, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L174] var_1_31 = __VERIFIER_nondet_ushort() [L175] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L176] CALL assume_abort_if_not(var_1_31 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_31 <= 65534) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L177] var_1_32 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L179] CALL assume_abort_if_not(var_1_32 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_32 <= 65534) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=1, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L180] var_1_33 = __VERIFIER_nondet_ushort() [L181] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L182] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=4, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L183] var_1_34 = __VERIFIER_nondet_ushort() [L184] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L185] CALL assume_abort_if_not(var_1_34 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=63, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_34 <= 32767) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=63, var_1_35=0, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L186] var_1_35 = __VERIFIER_nondet_ushort() [L187] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=63, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=63, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L188] CALL assume_abort_if_not(var_1_35 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=63, var_1_35=32704, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_35 <= 32767) VAL [isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-10, var_1_19=1, var_1_1=0, var_1_20=52/5, var_1_22=515/8, var_1_23=16, var_1_24=63, var_1_25=63, var_1_26=2041/8, var_1_27=128, var_1_28=1, var_1_29=128, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=63, var_1_35=32704, var_1_36=16, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-16] [L208] RET updateVariables() [L209] CALL step() [L59] signed long int stepLocal_7 = last_1_var_1_23 + var_1_24; [L60] signed long int stepLocal_6 = last_1_var_1_23; [L61] COND FALSE !(\read(var_1_7)) [L70] var_1_28 = 0 [L72] signed long int stepLocal_4 = last_1_var_1_8; [L73] COND FALSE !(last_1_var_1_23 <= stepLocal_4) [L76] var_1_20 = var_1_21 [L78] COND TRUE var_1_20 > var_1_15 [L79] var_1_22 = var_1_21 [L81] COND FALSE !(var_1_20 < var_1_14) [L84] var_1_29 = ((((var_1_24) > ((((((var_1_25) > (var_1_34)) ? (var_1_25) : (var_1_34))) + var_1_35))) ? (var_1_24) : ((((((var_1_25) > (var_1_34)) ? (var_1_25) : (var_1_34))) + var_1_35)))) [L86] unsigned char stepLocal_5 = var_1_21 != last_1_var_1_20; [L87] COND TRUE (var_1_6 || last_1_var_1_28) && stepLocal_5 [L88] var_1_23 = (-1 - (var_1_24 - var_1_25)) [L92] COND FALSE !(\read(var_1_5)) [L95] var_1_26 = var_1_21 [L97] var_1_27 = var_1_24 [L98] COND FALSE !(\read(var_1_28)) [L101] var_1_8 = var_1_23 [L103] EXPR (var_1_23 * var_1_23) & var_1_8 [L103] signed long int stepLocal_1 = (var_1_23 * var_1_23) & var_1_8; [L104] COND TRUE (var_1_22 / ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_20 * var_1_26) [L105] COND FALSE !(var_1_14 >= (var_1_15 * var_1_22)) [L108] var_1_12 = (last_1_var_1_12 + var_1_23) [L117] unsigned char stepLocal_3 = var_1_27 < (var_1_23 >> 25); [L118] unsigned short int stepLocal_2 = var_1_27; [L119] COND FALSE !(stepLocal_3 && var_1_6) [L126] var_1_19 = var_1_7 [L128] unsigned char stepLocal_0 = var_1_28; [L129] COND FALSE !(stepLocal_0 || var_1_19) [L132] var_1_1 = (var_1_4 && ((var_1_5 || var_1_6) || var_1_7)) [L134] COND TRUE (var_1_12 < (var_1_33 + var_1_30)) || (256 > last_1_var_1_36) [L135] var_1_36 = var_1_30 [L209] RET step() [L210] CALL, EXPR property() [L200] EXPR (((var_1_28 || var_1_19) ? (var_1_1 == ((unsigned char) (var_1_19 && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && ((var_1_5 || var_1_6) || var_1_7))))) && (var_1_28 ? (var_1_8 == ((signed short int) (((((-10000 + var_1_23)) < (((var_1_23 + 64) + var_1_23))) ? ((-10000 + var_1_23)) : (((var_1_23 + 64) + var_1_23)))))) : (var_1_8 == ((signed short int) var_1_23)))) && (((var_1_22 / ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_20 * var_1_26)) ? ((var_1_14 >= (var_1_15 * var_1_22)) ? (var_1_12 == ((signed long int) (var_1_23 + var_1_23))) : (var_1_12 == ((signed long int) (last_1_var_1_12 + var_1_23)))) : (((var_1_23 >> last_1_var_1_12) > ((var_1_23 * var_1_23) & var_1_8)) ? (var_1_12 == ((signed long int) var_1_23)) : (var_1_12 == ((signed long int) var_1_23)))) [L200] EXPR ((var_1_22 / ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_20 * var_1_26)) ? ((var_1_14 >= (var_1_15 * var_1_22)) ? (var_1_12 == ((signed long int) (var_1_23 + var_1_23))) : (var_1_12 == ((signed long int) (last_1_var_1_12 + var_1_23)))) : (((var_1_23 >> last_1_var_1_12) > ((var_1_23 * var_1_23) & var_1_8)) ? (var_1_12 == ((signed long int) var_1_23)) : (var_1_12 == ((signed long int) var_1_23))) [L200] EXPR var_1_23 >> last_1_var_1_12 [L200] EXPR (var_1_23 * var_1_23) & var_1_8 [L200] EXPR ((var_1_22 / ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_20 * var_1_26)) ? ((var_1_14 >= (var_1_15 * var_1_22)) ? (var_1_12 == ((signed long int) (var_1_23 + var_1_23))) : (var_1_12 == ((signed long int) (last_1_var_1_12 + var_1_23)))) : (((var_1_23 >> last_1_var_1_12) > ((var_1_23 * var_1_23) & var_1_8)) ? (var_1_12 == ((signed long int) var_1_23)) : (var_1_12 == ((signed long int) var_1_23))) [L200] EXPR (((var_1_28 || var_1_19) ? (var_1_1 == ((unsigned char) (var_1_19 && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && ((var_1_5 || var_1_6) || var_1_7))))) && (var_1_28 ? (var_1_8 == ((signed short int) (((((-10000 + var_1_23)) < (((var_1_23 + 64) + var_1_23))) ? ((-10000 + var_1_23)) : (((var_1_23 + 64) + var_1_23)))))) : (var_1_8 == ((signed short int) var_1_23)))) && (((var_1_22 / ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_20 * var_1_26)) ? ((var_1_14 >= (var_1_15 * var_1_22)) ? (var_1_12 == ((signed long int) (var_1_23 + var_1_23))) : (var_1_12 == ((signed long int) (last_1_var_1_12 + var_1_23)))) : (((var_1_23 >> last_1_var_1_12) > ((var_1_23 * var_1_23) & var_1_8)) ? (var_1_12 == ((signed long int) var_1_23)) : (var_1_12 == ((signed long int) var_1_23)))) [L200] EXPR ((((var_1_28 || var_1_19) ? (var_1_1 == ((unsigned char) (var_1_19 && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && ((var_1_5 || var_1_6) || var_1_7))))) && (var_1_28 ? (var_1_8 == ((signed short int) (((((-10000 + var_1_23)) < (((var_1_23 + 64) + var_1_23))) ? ((-10000 + var_1_23)) : (((var_1_23 + 64) + var_1_23)))))) : (var_1_8 == ((signed short int) var_1_23)))) && (((var_1_22 / ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_20 * var_1_26)) ? ((var_1_14 >= (var_1_15 * var_1_22)) ? (var_1_12 == ((signed long int) (var_1_23 + var_1_23))) : (var_1_12 == ((signed long int) (last_1_var_1_12 + var_1_23)))) : (((var_1_23 >> last_1_var_1_12) > ((var_1_23 * var_1_23) & var_1_8)) ? (var_1_12 == ((signed long int) var_1_23)) : (var_1_12 == ((signed long int) var_1_23))))) && (((var_1_27 < (var_1_23 >> 25)) && var_1_6) ? ((var_1_27 < (var_1_23 | var_1_23)) ? (var_1_19 == ((unsigned char) var_1_5)) : (var_1_19 == ((unsigned char) var_1_4))) : (var_1_19 == ((unsigned char) var_1_7))) [L200] EXPR ((((((((((var_1_28 || var_1_19) ? (var_1_1 == ((unsigned char) (var_1_19 && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && ((var_1_5 || var_1_6) || var_1_7))))) && (var_1_28 ? (var_1_8 == ((signed short int) (((((-10000 + var_1_23)) < (((var_1_23 + 64) + var_1_23))) ? ((-10000 + var_1_23)) : (((var_1_23 + 64) + var_1_23)))))) : (var_1_8 == ((signed short int) var_1_23)))) && (((var_1_22 / ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_20 * var_1_26)) ? ((var_1_14 >= (var_1_15 * var_1_22)) ? (var_1_12 == ((signed long int) (var_1_23 + var_1_23))) : (var_1_12 == ((signed long int) (last_1_var_1_12 + var_1_23)))) : (((var_1_23 >> last_1_var_1_12) > ((var_1_23 * var_1_23) & var_1_8)) ? (var_1_12 == ((signed long int) var_1_23)) : (var_1_12 == ((signed long int) var_1_23))))) && (((var_1_27 < (var_1_23 >> 25)) && var_1_6) ? ((var_1_27 < (var_1_23 | var_1_23)) ? (var_1_19 == ((unsigned char) var_1_5)) : (var_1_19 == ((unsigned char) var_1_4))) : (var_1_19 == ((unsigned char) var_1_7)))) && ((last_1_var_1_23 <= last_1_var_1_8) ? (var_1_20 == ((float) (var_1_21 + 10.4f))) : (var_1_20 == ((float) var_1_21)))) && ((var_1_20 > var_1_15) ? (var_1_22 == ((double) var_1_21)) : 1)) && (((var_1_6 || last_1_var_1_28) && (var_1_21 != last_1_var_1_20)) ? (var_1_23 == ((signed char) (-1 - (var_1_24 - var_1_25)))) : (var_1_23 == ((signed char) (var_1_25 - var_1_24))))) && (var_1_5 ? (var_1_26 == ((double) ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))) : (var_1_26 == ((double) var_1_21)))) && (var_1_27 == ((unsigned short int) var_1_24))) && (var_1_7 ? (((last_1_var_1_23 + var_1_24) < (last_1_var_1_36 ^ last_1_var_1_29)) ? ((last_1_var_1_36 <= last_1_var_1_23) ? (var_1_28 == ((unsigned char) var_1_4)) : (var_1_28 == ((unsigned char) var_1_6))) : 1) : (var_1_28 == ((unsigned char) 0))) [L200-L201] return ((((((((((((var_1_28 || var_1_19) ? (var_1_1 == ((unsigned char) (var_1_19 && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && ((var_1_5 || var_1_6) || var_1_7))))) && (var_1_28 ? (var_1_8 == ((signed short int) (((((-10000 + var_1_23)) < (((var_1_23 + 64) + var_1_23))) ? ((-10000 + var_1_23)) : (((var_1_23 + 64) + var_1_23)))))) : (var_1_8 == ((signed short int) var_1_23)))) && (((var_1_22 / ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_20 * var_1_26)) ? ((var_1_14 >= (var_1_15 * var_1_22)) ? (var_1_12 == ((signed long int) (var_1_23 + var_1_23))) : (var_1_12 == ((signed long int) (last_1_var_1_12 + var_1_23)))) : (((var_1_23 >> last_1_var_1_12) > ((var_1_23 * var_1_23) & var_1_8)) ? (var_1_12 == ((signed long int) var_1_23)) : (var_1_12 == ((signed long int) var_1_23))))) && (((var_1_27 < (var_1_23 >> 25)) && var_1_6) ? ((var_1_27 < (var_1_23 | var_1_23)) ? (var_1_19 == ((unsigned char) var_1_5)) : (var_1_19 == ((unsigned char) var_1_4))) : (var_1_19 == ((unsigned char) var_1_7)))) && ((last_1_var_1_23 <= last_1_var_1_8) ? (var_1_20 == ((float) (var_1_21 + 10.4f))) : (var_1_20 == ((float) var_1_21)))) && ((var_1_20 > var_1_15) ? (var_1_22 == ((double) var_1_21)) : 1)) && (((var_1_6 || last_1_var_1_28) && (var_1_21 != last_1_var_1_20)) ? (var_1_23 == ((signed char) (-1 - (var_1_24 - var_1_25)))) : (var_1_23 == ((signed char) (var_1_25 - var_1_24))))) && (var_1_5 ? (var_1_26 == ((double) ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))) : (var_1_26 == ((double) var_1_21)))) && (var_1_27 == ((unsigned short int) var_1_24))) && (var_1_7 ? (((last_1_var_1_23 + var_1_24) < (last_1_var_1_36 ^ last_1_var_1_29)) ? ((last_1_var_1_36 <= last_1_var_1_23) ? (var_1_28 == ((unsigned char) var_1_4)) : (var_1_28 == ((unsigned char) var_1_6))) : 1) : (var_1_28 == ((unsigned char) 0)))) && ((var_1_20 < var_1_14) ? (var_1_29 == ((unsigned short int) ((((((((var_1_24) > ((var_1_30 - var_1_25))) ? (var_1_24) : ((var_1_30 - var_1_25))))) < (((((((((var_1_31) < (var_1_32)) ? (var_1_31) : (var_1_32)))) > (var_1_33)) ? (((((var_1_31) < (var_1_32)) ? (var_1_31) : (var_1_32)))) : (var_1_33))))) ? (((((var_1_24) > ((var_1_30 - var_1_25))) ? (var_1_24) : ((var_1_30 - var_1_25))))) : (((((((((var_1_31) < (var_1_32)) ? (var_1_31) : (var_1_32)))) > (var_1_33)) ? (((((var_1_31) < (var_1_32)) ? (var_1_31) : (var_1_32)))) : (var_1_33)))))))) : (var_1_29 == ((unsigned short int) ((((var_1_24) > ((((((var_1_25) > (var_1_34)) ? (var_1_25) : (var_1_34))) + var_1_35))) ? (var_1_24) : ((((((var_1_25) > (var_1_34)) ? (var_1_25) : (var_1_34))) + var_1_35)))))))) && (((var_1_12 < (var_1_33 + var_1_30)) || (256 > last_1_var_1_36)) ? (var_1_36 == ((unsigned long int) var_1_30)) : ((((var_1_28 || var_1_19) || var_1_7) && var_1_1) ? (var_1_36 == ((unsigned long int) var_1_31)) : (var_1_36 == ((unsigned long int) var_1_34)))) ; [L210] RET, EXPR property() [L210] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-11, var_1_19=0, var_1_1=0, var_1_20=515/8, var_1_21=515/8, var_1_22=515/8, var_1_23=-1, var_1_24=63, var_1_25=63, var_1_26=515/8, var_1_27=63, var_1_28=0, var_1_29=32767, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=63, var_1_35=32704, var_1_36=32767, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=-10, last_1_var_1_20=52/5, last_1_var_1_23=16, last_1_var_1_28=1, last_1_var_1_29=128, last_1_var_1_36=16, last_1_var_1_8=-16, var_1_12=-11, var_1_19=0, var_1_1=0, var_1_20=515/8, var_1_21=515/8, var_1_22=515/8, var_1_23=-1, var_1_24=63, var_1_25=63, var_1_26=515/8, var_1_27=63, var_1_28=0, var_1_29=32767, var_1_30=32767, var_1_31=65534, var_1_32=0, var_1_33=0, var_1_34=63, var_1_35=32704, var_1_36=32767, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 19:43:24,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/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 550ec37ea106a961ec829b579b965cfbf42e092dc2e195891251e93bd298ccf6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:43:26,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:43:27,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:43:27,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:43:27,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:43:27,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:43:27,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:43:27,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:43:27,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:43:27,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:43:27,062 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:43:27,063 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:43:27,064 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:43:27,064 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:43:27,065 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:43:27,066 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:43:27,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:43:27,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:43:27,068 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:43:27,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:43:27,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:43:27,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:43:27,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:43:27,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:43:27,071 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:43:27,072 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:43:27,073 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:43:27,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:43:27,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:43:27,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:43:27,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:43:27,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:43:27,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:43:27,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:43:27,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:43:27,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:43:27,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:43:27,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:43:27,077 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:43:27,078 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:43:27,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:43:27,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:43:27,079 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:43:27,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:43:27,079 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 550ec37ea106a961ec829b579b965cfbf42e092dc2e195891251e93bd298ccf6 [2023-12-02 19:43:27,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:43:27,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:43:27,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:43:27,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:43:27,415 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:43:27,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i [2023-12-02 19:43:30,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:43:30,494 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:43:30,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i [2023-12-02 19:43:30,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/data/8732c5da1/24b8938d236049688ff8c18a4901256d/FLAG80af60bfb [2023-12-02 19:43:30,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/data/8732c5da1/24b8938d236049688ff8c18a4901256d [2023-12-02 19:43:30,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:43:30,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:43:30,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:43:30,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:43:30,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:43:30,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffa8a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30, skipping insertion in model container [2023-12-02 19:43:30,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:43:30,683 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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i[916,929] [2023-12-02 19:43:30,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:43:30,781 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:43:30,792 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_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-72.i[916,929] [2023-12-02 19:43:30,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:43:30,857 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:43:30,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30 WrapperNode [2023-12-02 19:43:30,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:43:30,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:43:30,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:43:30,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:43:30,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,915 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-12-02 19:43:30,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:43:30,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:43:30,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:43:30,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:43:30,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:43:30,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:43:30,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:43:30,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:43:30,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (1/1) ... [2023-12-02 19:43:30,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:43:30,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:43:31,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:43:31,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:43:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:43:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:43:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:43:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:43:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:43:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:43:31,144 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:43:31,146 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:43:43,084 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:43:43,134 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:43:43,134 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:43:43,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:43:43 BoogieIcfgContainer [2023-12-02 19:43:43,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:43:43,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:43:43,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:43:43,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:43:43,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:43:30" (1/3) ... [2023-12-02 19:43:43,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c82a277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:43:43, skipping insertion in model container [2023-12-02 19:43:43,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:43:30" (2/3) ... [2023-12-02 19:43:43,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c82a277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:43:43, skipping insertion in model container [2023-12-02 19:43:43,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:43:43" (3/3) ... [2023-12-02 19:43:43,143 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-72.i [2023-12-02 19:43:43,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:43:43,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:43:43,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:43:43,217 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;@7b6643e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:43:43,217 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:43:43,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 49 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 19:43:43,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 19:43:43,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:43:43,238 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 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, 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, 1, 1, 1, 1, 1, 1] [2023-12-02 19:43:43,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:43:43,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:43:43,244 INFO L85 PathProgramCache]: Analyzing trace with hash -253041127, now seen corresponding path program 1 times [2023-12-02 19:43:43,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:43:43,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301681364] [2023-12-02 19:43:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:43:43,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:43:43,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:43:43,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:43:43,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 19:43:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:43:44,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 19:43:44,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:43:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 19:43:50,420 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:43:50,420 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:43:50,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301681364] [2023-12-02 19:43:50,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301681364] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:43:50,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:43:50,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:43:50,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568935893] [2023-12-02 19:43:50,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:43:50,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:43:50,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:43:50,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:43:50,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:43:50,464 INFO L87 Difference]: Start difference. First operand has 80 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 49 states have internal predecessors, (70), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 19:43:53,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:43:55,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:43:58,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:00,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:02,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:05,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:07,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:10,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:12,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:14,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:16,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:16,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:44:16,551 INFO L93 Difference]: Finished difference Result 235 states and 441 transitions. [2023-12-02 19:44:16,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:44:16,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 183 [2023-12-02 19:44:16,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:44:16,852 INFO L225 Difference]: With dead ends: 235 [2023-12-02 19:44:16,852 INFO L226 Difference]: Without dead ends: 156 [2023-12-02 19:44:16,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:44:16,858 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 107 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 59 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2023-12-02 19:44:16,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 399 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 85 Invalid, 11 Unknown, 0 Unchecked, 25.8s Time] [2023-12-02 19:44:16,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-12-02 19:44:16,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 132. [2023-12-02 19:44:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 71 states have (on average 1.295774647887324) internal successors, (92), 71 states have internal predecessors, (92), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 19:44:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 208 transitions. [2023-12-02 19:44:16,930 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 208 transitions. Word has length 183 [2023-12-02 19:44:16,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:44:16,932 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 208 transitions. [2023-12-02 19:44:16,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 19:44:16,933 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 208 transitions. [2023-12-02 19:44:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 19:44:16,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:44:16,937 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 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, 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, 1, 1, 1, 1, 1, 1] [2023-12-02 19:44:16,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:44:17,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:44:17,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:44:17,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:44:17,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1941984869, now seen corresponding path program 1 times [2023-12-02 19:44:17,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:44:17,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146707015] [2023-12-02 19:44:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:44:17,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:44:17,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:44:17,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:44:17,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 19:44:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:44:18,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:44:18,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:44:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 334 proven. 75 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-12-02 19:44:20,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:44:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 19:44:22,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:44:22,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146707015] [2023-12-02 19:44:22,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146707015] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:44:22,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [133950887] [2023-12-02 19:44:22,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:44:22,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:44:22,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:44:22,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:44:22,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 19:44:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:44:22,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 19:44:22,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:44:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 19:44:22,812 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:44:22,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [133950887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:44:22,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 19:44:22,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-12-02 19:44:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722525341] [2023-12-02 19:44:22,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:44:22,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:44:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:44:22,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:44:22,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:44:22,826 INFO L87 Difference]: Start difference. First operand 132 states and 208 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 19:44:25,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:29,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:31,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:31,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:44:31,853 INFO L93 Difference]: Finished difference Result 288 states and 454 transitions. [2023-12-02 19:44:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:44:31,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 183 [2023-12-02 19:44:31,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:44:31,857 INFO L225 Difference]: With dead ends: 288 [2023-12-02 19:44:31,857 INFO L226 Difference]: Without dead ends: 211 [2023-12-02 19:44:31,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:44:31,860 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 110 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:44:31,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 310 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2023-12-02 19:44:31,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-12-02 19:44:31,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2023-12-02 19:44:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 117 states have (on average 1.3162393162393162) internal successors, (154), 117 states have internal predecessors, (154), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2023-12-02 19:44:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 328 transitions. [2023-12-02 19:44:31,915 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 328 transitions. Word has length 183 [2023-12-02 19:44:31,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:44:31,916 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 328 transitions. [2023-12-02 19:44:31,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 19:44:31,917 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 328 transitions. [2023-12-02 19:44:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 19:44:31,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:44:31,921 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 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, 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, 1, 1, 1, 1, 1, 1] [2023-12-02 19:44:31,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 19:44:32,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 19:44:32,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:44:32,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:44:32,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:44:32,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1683819431, now seen corresponding path program 1 times [2023-12-02 19:44:32,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:44:32,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211499472] [2023-12-02 19:44:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:44:32,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:44:32,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:44:32,328 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:44:32,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 19:44:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:44:33,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:44:33,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:44:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 334 proven. 75 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-12-02 19:44:35,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:44:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 19:44:37,200 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:44:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211499472] [2023-12-02 19:44:37,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211499472] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:44:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [228317478] [2023-12-02 19:44:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:44:37,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:44:37,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:44:37,202 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:44:37,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 19:44:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:44:39,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 19:44:39,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:44:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 19:44:40,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:44:40,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [228317478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:44:40,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 19:44:40,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5] total 11 [2023-12-02 19:44:40,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224690478] [2023-12-02 19:44:40,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:44:40,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 19:44:40,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:44:40,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 19:44:40,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-12-02 19:44:40,349 INFO L87 Difference]: Start difference. First operand 208 states and 328 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 19:44:43,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:45,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:49,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:51,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:53,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:56,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:58,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:00,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:02,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:04,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:08,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:10,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:12,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:14,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:16,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:17,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:18,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:45:18,894 INFO L93 Difference]: Finished difference Result 505 states and 788 transitions. [2023-12-02 19:45:18,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 19:45:18,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 183 [2023-12-02 19:45:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:45:18,900 INFO L225 Difference]: With dead ends: 505 [2023-12-02 19:45:18,900 INFO L226 Difference]: Without dead ends: 354 [2023-12-02 19:45:18,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 537 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-12-02 19:45:18,903 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 257 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 31 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:45:18,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 693 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 153 Invalid, 15 Unknown, 0 Unchecked, 38.3s Time] [2023-12-02 19:45:18,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-12-02 19:45:18,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 307. [2023-12-02 19:45:18,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 177 states have (on average 1.2994350282485876) internal successors, (230), 179 states have internal predecessors, (230), 122 states have call successors, (122), 7 states have call predecessors, (122), 7 states have return successors, (122), 120 states have call predecessors, (122), 122 states have call successors, (122) [2023-12-02 19:45:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 474 transitions. [2023-12-02 19:45:18,965 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 474 transitions. Word has length 183 [2023-12-02 19:45:18,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:45:18,966 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 474 transitions. [2023-12-02 19:45:18,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 19:45:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 474 transitions. [2023-12-02 19:45:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 19:45:18,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:45:18,970 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 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, 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, 1, 1, 1, 1, 1, 1] [2023-12-02 19:45:18,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 19:45:19,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 19:45:19,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 19:45:19,372 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:45:19,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:45:19,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1681972389, now seen corresponding path program 1 times [2023-12-02 19:45:19,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:45:19,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207966739] [2023-12-02 19:45:19,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:45:19,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:45:19,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:45:19,374 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:45:19,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 19:45:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:45:20,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:45:20,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:45:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 334 proven. 75 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-12-02 19:45:23,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:45:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 19:45:24,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:45:24,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207966739] [2023-12-02 19:45:24,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207966739] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:45:24,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [520080087] [2023-12-02 19:45:24,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:45:24,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:45:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:45:24,437 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:45:24,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 19:45:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:45:27,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 19:45:27,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:45:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 334 proven. 75 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-12-02 19:45:29,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:45:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 19:45:30,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [520080087] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:45:30,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766551642] [2023-12-02 19:45:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:45:30,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:45:30,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:45:30,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:45:30,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 19:45:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:45:32,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:45:32,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:45:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 334 proven. 75 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2023-12-02 19:45:34,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:45:35,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 19:45:35,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766551642] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:45:35,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:45:35,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 19:45:35,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624546766] [2023-12-02 19:45:35,450 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:45:35,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 19:45:35,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:45:35,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 19:45:35,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:45:35,452 INFO L87 Difference]: Start difference. First operand 307 states and 474 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-12-02 19:45:40,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:42,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:44,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:45:44,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:45:44,298 INFO L93 Difference]: Finished difference Result 597 states and 896 transitions. [2023-12-02 19:45:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 19:45:44,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 183 [2023-12-02 19:45:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:45:44,601 INFO L225 Difference]: With dead ends: 597 [2023-12-02 19:45:44,601 INFO L226 Difference]: Without dead ends: 351 [2023-12-02 19:45:44,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1096 GetRequests, 1084 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 19:45:44,604 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 48 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-12-02 19:45:44,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 196 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 167 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2023-12-02 19:45:44,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-12-02 19:45:44,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 327. [2023-12-02 19:45:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 192 states have (on average 1.2604166666666667) internal successors, (242), 194 states have internal predecessors, (242), 122 states have call successors, (122), 12 states have call predecessors, (122), 12 states have return successors, (122), 120 states have call predecessors, (122), 122 states have call successors, (122) [2023-12-02 19:45:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 486 transitions. [2023-12-02 19:45:44,657 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 486 transitions. Word has length 183 [2023-12-02 19:45:44,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:45:44,658 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 486 transitions. [2023-12-02 19:45:44,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-12-02 19:45:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 486 transitions. [2023-12-02 19:45:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 19:45:44,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:45:44,662 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 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, 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, 1, 1, 1, 1, 1, 1] [2023-12-02 19:45:44,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 19:45:44,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 19:45:45,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 19:45:45,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 19:45:45,263 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:45:45,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:45:45,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1601877657, now seen corresponding path program 1 times [2023-12-02 19:45:45,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:45:45,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633157526] [2023-12-02 19:45:45,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:45:45,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:45:45,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:45:45,265 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:45:45,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 19:45:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:45:46,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 19:45:46,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:48:16,911 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:48:23,065 WARN L293 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:48:29,388 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:48:35,698 WARN L293 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:48:42,155 WARN L293 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:48:48,389 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:48:54,567 WARN L293 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:00,936 WARN L293 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:07,179 WARN L293 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:13,470 WARN L293 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:19,863 WARN L293 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:26,196 WARN L293 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:32,508 WARN L293 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:38,893 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:45,288 WARN L293 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:51,539 WARN L293 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:49:57,877 WARN L293 SmtUtils]: Spent 6.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:04,125 WARN L293 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:15,045 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:21,427 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:27,653 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:33,930 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:40,205 WARN L293 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:46,502 WARN L293 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:52,778 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:50:59,064 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:05,244 WARN L293 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:11,442 WARN L293 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:17,786 WARN L293 SmtUtils]: Spent 6.34s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:24,028 WARN L293 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:30,220 WARN L293 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:36,466 WARN L293 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:42,773 WARN L293 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:53,576 WARN L293 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:51:56,070 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_20~0))) (let ((.cse4 ((_ sign_extend 24) c_~var_1_25~0)) (.cse5 ((_ sign_extend 24) c_~var_1_24~0)) (.cse2 (fp.mul c_currentRoundingMode .cse0 c_~var_1_26~0)) (.cse3 (fp.lt c_~var_1_14~0 c_~var_1_15~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_21~0))) (and (not (fp.lt .cse0 c_~var_1_14~0)) (= (_ bv16 32) c_~last_1_var_1_36~0) (= (_ bv1 8) c_~last_1_var_1_28~0) (bvsle ((_ zero_extend 24) c_~var_1_7~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) c_~var_1_5~0) (_ bv0 32)) (= .cse1 c_~var_1_26~0) (not (fp.eq c_~var_1_21~0 c_~last_1_var_1_20~0)) (fp.gt .cse0 c_~var_1_15~0) (or (not (fp.geq (fp.div c_currentRoundingMode c_~var_1_22~0 c_~var_1_14~0) .cse2)) (not .cse3)) (= ((_ extract 7 0) (bvadd (_ bv4294967295 32) (bvneg (bvadd (bvneg .cse4) .cse5)))) c_~var_1_23~0) (= ((_ sign_extend 8) c_~var_1_24~0) c_~var_1_27~0) (let ((.cse13 ((_ zero_extend 16) c_~var_1_34~0))) (let ((.cse7 (= ((_ extract 15 0) .cse5) c_~var_1_29~0)) (.cse9 ((_ zero_extend 16) c_~var_1_35~0)) (.cse10 (bvsgt .cse4 .cse13))) (or (and (let ((.cse8 (bvadd .cse4 .cse9))) (let ((.cse6 (bvsgt .cse5 .cse8))) (or (and .cse6 .cse7) (and (not .cse6) (= ((_ extract 15 0) .cse8) c_~var_1_29~0))))) .cse10) (and (let ((.cse11 (bvadd .cse13 .cse9))) (let ((.cse12 (bvsgt .cse5 .cse11))) (or (and (= ((_ extract 15 0) .cse11) c_~var_1_29~0) (not .cse12)) (and .cse12 .cse7)))) (not .cse10))))) (= c_~var_1_8~0 ((_ sign_extend 8) c_~var_1_23~0)) (bvsle ((_ zero_extend 24) c_~var_1_6~0) (_ bv0 32)) (or (not (fp.geq (fp.div c_currentRoundingMode c_~var_1_22~0 c_~var_1_15~0) .cse2)) .cse3) (= c_~var_1_21~0 c_~var_1_20~0) (= (bvadd (_ bv16 16) c_~last_1_var_1_8~0) (_ bv0 16)) (let ((.cse14 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse15 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_21~0 (fp.neg .cse14)) (fp.geq c_~var_1_21~0 (fp.neg .cse15))) (and (fp.geq c_~var_1_21~0 .cse14) (fp.leq c_~var_1_21~0 .cse15)))) (= c_~last_1_var_1_23~0 (_ bv16 8)) (= (_ bv0 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_22~0 .cse1)))) is different from false [2023-12-02 19:51:58,588 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_20~0))) (let ((.cse4 ((_ sign_extend 24) c_~var_1_25~0)) (.cse5 ((_ sign_extend 24) c_~var_1_24~0)) (.cse2 (fp.mul c_currentRoundingMode .cse0 c_~var_1_26~0)) (.cse3 (fp.lt c_~var_1_14~0 c_~var_1_15~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_21~0))) (and (not (fp.lt .cse0 c_~var_1_14~0)) (= (_ bv16 32) c_~last_1_var_1_36~0) (= (_ bv1 8) c_~last_1_var_1_28~0) (bvsle ((_ zero_extend 24) c_~var_1_7~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) c_~var_1_5~0) (_ bv0 32)) (= .cse1 c_~var_1_26~0) (not (fp.eq c_~var_1_21~0 c_~last_1_var_1_20~0)) (fp.gt .cse0 c_~var_1_15~0) (or (not (fp.geq (fp.div c_currentRoundingMode c_~var_1_22~0 c_~var_1_14~0) .cse2)) (not .cse3)) (= ((_ extract 7 0) (bvadd (_ bv4294967295 32) (bvneg (bvadd (bvneg .cse4) .cse5)))) c_~var_1_23~0) (= ((_ sign_extend 8) c_~var_1_24~0) c_~var_1_27~0) (let ((.cse13 ((_ zero_extend 16) c_~var_1_34~0))) (let ((.cse7 (= ((_ extract 15 0) .cse5) c_~var_1_29~0)) (.cse9 ((_ zero_extend 16) c_~var_1_35~0)) (.cse10 (bvsgt .cse4 .cse13))) (or (and (let ((.cse8 (bvadd .cse4 .cse9))) (let ((.cse6 (bvsgt .cse5 .cse8))) (or (and .cse6 .cse7) (and (not .cse6) (= ((_ extract 15 0) .cse8) c_~var_1_29~0))))) .cse10) (and (let ((.cse11 (bvadd .cse13 .cse9))) (let ((.cse12 (bvsgt .cse5 .cse11))) (or (and (= ((_ extract 15 0) .cse11) c_~var_1_29~0) (not .cse12)) (and .cse12 .cse7)))) (not .cse10))))) (= c_~var_1_8~0 ((_ sign_extend 8) c_~var_1_23~0)) (bvsle ((_ zero_extend 24) c_~var_1_6~0) (_ bv0 32)) (or (not (fp.geq (fp.div c_currentRoundingMode c_~var_1_22~0 c_~var_1_15~0) .cse2)) .cse3) (= c_~var_1_21~0 c_~var_1_20~0) (= (bvadd (_ bv16 16) c_~last_1_var_1_8~0) (_ bv0 16)) (let ((.cse14 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse15 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_21~0 (fp.neg .cse14)) (fp.geq c_~var_1_21~0 (fp.neg .cse15))) (and (fp.geq c_~var_1_21~0 .cse14) (fp.leq c_~var_1_21~0 .cse15)))) (= c_~last_1_var_1_23~0 (_ bv16 8)) (= (_ bv0 8) c_~var_1_28~0) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_22~0 .cse1)))) is different from true [2023-12-02 19:52:05,031 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:52:11,436 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:52:17,863 WARN L293 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:52:24,302 WARN L293 SmtUtils]: Spent 6.44s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:52:30,757 WARN L293 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:52:37,081 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:52:43,424 WARN L293 SmtUtils]: Spent 6.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:52:49,839 WARN L293 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:52:56,250 WARN L293 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:53:02,638 WARN L293 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 19:53:04,926 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:53:04,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633157526] [2023-12-02 19:53:04,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: line 158281 column 7: push canceled [2023-12-02 19:53:04,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [263812965] [2023-12-02 19:53:04,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:53:04,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:53:04,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:53:04,928 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:53:04,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed32d4b7-06df-4235-b7a3-c1bd36e0ccd0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 19:53:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:53:08,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 19:53:08,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:53:14,912 WARN L854 $PredicateComparison]: unable to prove that (= (bvadd c_~var_1_12~0 (_ bv10 32)) (_ bv0 32)) is different from false [2023-12-02 19:53:16,949 WARN L876 $PredicateComparison]: unable to prove that (= (bvadd c_~var_1_12~0 (_ bv10 32)) (_ bv0 32)) is different from true [2023-12-02 19:53:22,979 WARN L854 $PredicateComparison]: unable to prove that (= (bvadd (_ bv10 32) c_~last_1_var_1_12~0) (_ bv0 32)) is different from false [2023-12-02 19:53:24,981 WARN L876 $PredicateComparison]: unable to prove that (= (bvadd (_ bv10 32) c_~last_1_var_1_12~0) (_ bv0 32)) is different from true