./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire --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 161bb7a2aeb8f0e9fdffca01ff4293552e60c655d94a257edfbbb7105096b1f1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:20,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:20,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:24:20,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:20,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:20,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:20,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:20,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:20,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:20,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:20,737 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:20,738 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:20,738 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:20,739 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:24:20,739 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:20,740 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:20,740 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:24:20,741 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:24:20,741 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:20,742 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:24:20,742 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:24:20,743 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:24:20,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:20,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:20,744 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:24:20,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:24:20,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:24:20,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:20,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:20,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:20,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:20,747 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:24:20,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:20,747 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:20,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:20,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:20,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:20,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:20,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:20,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:20,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:20,749 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:24:20,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:24:20,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:20,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:20,750 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:20,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:20,751 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_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161bb7a2aeb8f0e9fdffca01ff4293552e60c655d94a257edfbbb7105096b1f1 [2023-11-23 21:24:21,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:21,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:21,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:21,107 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:21,108 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:21,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-11-23 21:24:24,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:24,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:24,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-11-23 21:24:24,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/data/20b90b670/93e442d8ec8944dfa0ab53c40837a181/FLAG65f1b4249 [2023-11-23 21:24:24,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/data/20b90b670/93e442d8ec8944dfa0ab53c40837a181 [2023-11-23 21:24:24,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:24,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:24,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:24,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:24,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:24,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:24" (1/1) ... [2023-11-23 21:24:24,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373c7c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:24, skipping insertion in model container [2023-11-23 21:24:24,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:24" (1/1) ... [2023-11-23 21:24:24,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:24,804 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_af10b271-d504-43a3-9f61-ac0e186e6d3a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i[916,929] [2023-11-23 21:24:24,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:24,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:24,937 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_af10b271-d504-43a3-9f61-ac0e186e6d3a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i[916,929] [2023-11-23 21:24:25,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:25,058 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:25,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25 WrapperNode [2023-11-23 21:24:25,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:25,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:25,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:25,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:25,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,154 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 327 [2023-11-23 21:24:25,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:25,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:25,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:25,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:25,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:25,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:25,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:25,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:25,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (1/1) ... [2023-11-23 21:24:25,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:25,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:25,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:25,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:24:25,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:24:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:24:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:25,391 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:25,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:26,124 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:26,810 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:26,810 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:26,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:26 BoogieIcfgContainer [2023-11-23 21:24:26,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:26,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:26,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:26,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:26,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:24" (1/3) ... [2023-11-23 21:24:26,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f12353d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:26, skipping insertion in model container [2023-11-23 21:24:26,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:25" (2/3) ... [2023-11-23 21:24:26,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f12353d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:26, skipping insertion in model container [2023-11-23 21:24:26,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:26" (3/3) ... [2023-11-23 21:24:26,828 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-11-23 21:24:26,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:26,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:26,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:26,924 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;@6f24efb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:26,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:24:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:24:26,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:26,944 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:26,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:26,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash -163135346, now seen corresponding path program 1 times [2023-11-23 21:24:26,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:26,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239878627] [2023-11-23 21:24:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:26,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:27,181 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:24:27,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823484199] [2023-11-23 21:24:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:27,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:27,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:27,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:24:27,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:24:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:24:27,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:24:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:24:27,829 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:24:27,831 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:24:27,832 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:24:27,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:28,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:24:28,063 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:24:28,067 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:24:28,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:24:28 BoogieIcfgContainer [2023-11-23 21:24:28,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:24:28,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:24:28,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:24:28,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:24:28,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:26" (3/4) ... [2023-11-23 21:24:28,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:24:28,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:24:28,290 INFO L158 Benchmark]: Toolchain (without parser) took 3705.90ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 91.7MB in the beginning and 131.5MB in the end (delta: -39.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:28,290 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:28,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.92ms. Allocated memory is still 138.4MB. Free memory was 91.7MB in the beginning and 74.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:24:28,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.11ms. Allocated memory is still 138.4MB. Free memory was 74.8MB in the beginning and 69.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:24:28,299 INFO L158 Benchmark]: Boogie Preprocessor took 56.49ms. Allocated memory is still 138.4MB. Free memory was 69.0MB in the beginning and 66.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:24:28,300 INFO L158 Benchmark]: RCFGBuilder took 1599.73ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 66.1MB in the beginning and 107.2MB in the end (delta: -41.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-23 21:24:28,301 INFO L158 Benchmark]: TraceAbstraction took 1464.82ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 131.5MB in the end (delta: -24.3MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2023-11-23 21:24:28,301 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 174.1MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:28,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.92ms. Allocated memory is still 138.4MB. Free memory was 91.7MB in the beginning and 74.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.11ms. Allocated memory is still 138.4MB. Free memory was 74.8MB in the beginning and 69.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.49ms. Allocated memory is still 138.4MB. Free memory was 69.0MB in the beginning and 66.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1599.73ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 66.1MB in the beginning and 107.2MB in the end (delta: -41.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1464.82ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 131.5MB in the end (delta: -24.3MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 174.1MB. Free memory is still 131.5MB. 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 107, overapproximation of someBinaryArithmeticDOUBLEoperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseOr at line 69, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of bitwiseAnd at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 202, overapproximation of someBinaryArithmeticFLOAToperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = -0.5; [L23] unsigned char var_1_2 = 0; [L24] float var_1_4 = 32.5; [L25] float var_1_5 = 10.25; [L26] float var_1_6 = 15.2; [L27] unsigned short int var_1_7 = 1; [L28] unsigned short int var_1_10 = 1; [L29] signed short int var_1_12 = 8; [L30] signed short int var_1_13 = -16; [L31] unsigned long int var_1_16 = 0; [L32] unsigned long int var_1_17 = 1790089366; [L33] unsigned long int var_1_18 = 1816612959; [L34] unsigned long int var_1_19 = 2; [L35] unsigned char var_1_20 = 32; [L36] unsigned char var_1_21 = 32; [L37] unsigned short int var_1_22 = 256; [L38] unsigned short int var_1_23 = 21380; [L39] signed char var_1_25 = 8; [L40] signed char var_1_26 = 0; [L41] signed char var_1_27 = 32; [L42] signed char var_1_28 = 32; [L43] double var_1_29 = 99999999.2; [L44] double var_1_31 = 64.25; [L45] double var_1_32 = 100.6; [L46] unsigned char var_1_33 = 0; [L47] unsigned char var_1_34 = 0; [L48] unsigned short int var_1_35 = 4; [L49] unsigned long int last_1_var_1_16 = 0; [L50] unsigned long int last_1_var_1_19 = 2; [L51] unsigned char last_1_var_1_20 = 32; [L52] signed char last_1_var_1_25 = 8; [L53] unsigned char last_1_var_1_33 = 0; [L206] isInitial = 1 [L207] FCALL initially() [L208] int k_loop; [L209] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=0, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L209] COND TRUE k_loop < 1 [L210] CALL updateLastVariables() [L195] last_1_var_1_16 = var_1_16 [L196] last_1_var_1_19 = var_1_19 [L197] last_1_var_1_20 = var_1_20 [L198] last_1_var_1_25 = var_1_25 [L199] last_1_var_1_33 = var_1_33 [L210] RET updateLastVariables() [L211] CALL updateVariables() [L149] var_1_2 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L151] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L152] var_1_4 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L154] var_1_5 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_6=76/5, var_1_7=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_6=76/5, var_1_7=1] [L156] var_1_6 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L158] var_1_10 = __VERIFIER_nondet_ushort() [L159] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L160] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L161] var_1_12 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L163] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L164] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L165] var_1_17 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_17 >= 1610612735) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 1610612735) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L167] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L168] var_1_18 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_18 >= 1610612735) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_18 >= 1610612735) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L170] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L171] var_1_21 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L173] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L174] var_1_23 = __VERIFIER_nondet_ushort() [L175] CALL assume_abort_if_not(var_1_23 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_23 >= 16383) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L176] CALL assume_abort_if_not(var_1_23 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_23 <= 32767) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L177] var_1_26 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_26 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_26 >= -63) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L179] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L180] var_1_27 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L182] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L183] var_1_28 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_28 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_28 >= -127) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L185] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L186] var_1_31 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L188] var_1_32 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L190] var_1_34 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_35=4, var_1_7=1] [L192] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=1, var_1_22=256, var_1_23=16383, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L211] RET updateVariables() [L212] CALL step() [L57] COND FALSE !(\read(last_1_var_1_33)) [L66] COND TRUE var_1_6 == (- (99.4f * var_1_4)) [L67] var_1_25 = (((((var_1_26 + var_1_27)) < (var_1_28)) ? ((var_1_26 + var_1_27)) : (var_1_28))) [L75] EXPR var_1_10 & last_1_var_1_25 [L75] unsigned long int stepLocal_3 = last_1_var_1_16 * (var_1_10 & last_1_var_1_25); [L76] COND FALSE !(\read(last_1_var_1_33)) [L85] var_1_20 = 100 [L87] signed char stepLocal_2 = var_1_25; [L88] unsigned short int stepLocal_1 = var_1_7; [L89] COND TRUE stepLocal_2 <= last_1_var_1_16 [L90] var_1_16 = ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20) [L96] unsigned long int stepLocal_5 = var_1_16; [L97] COND FALSE !(var_1_18 >= stepLocal_5) [L104] var_1_29 = var_1_6 [L106] var_1_35 = var_1_7 [L107] EXPR var_1_20 >> var_1_12 [L107] EXPR ((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12)) [L107] EXPR var_1_20 >> var_1_12 [L107] EXPR ((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12)) [L107] COND TRUE (var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12)))) [L108] var_1_13 = 8 [L112] COND FALSE !(var_1_13 >= var_1_18) [L115] signed short int stepLocal_6 = var_1_13; [L116] EXPR var_1_20 ^ var_1_23 [L116] COND FALSE !((var_1_20 ^ var_1_23) > stepLocal_6) [L121] COND TRUE \read(var_1_2) [L122] var_1_33 = 0 [L127] unsigned long int stepLocal_0 = var_1_19; [L128] COND FALSE !(\read(var_1_33)) [L135] var_1_1 = var_1_6 [L137] unsigned char stepLocal_4 = var_1_20; [L138] COND FALSE !(stepLocal_4 < var_1_20) [L141] COND FALSE !(\read(var_1_33)) [L144] var_1_22 = 2 [L212] RET step() [L213] CALL, EXPR property() [L202] EXPR ((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((last_1_var_1_20 + last_1_var_1_20)) > (last_1_var_1_20)) ? ((last_1_var_1_20 + last_1_var_1_20)) : (last_1_var_1_20))))) : ((((last_1_var_1_20 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25)))))) [L202] EXPR (((((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((last_1_var_1_20 + last_1_var_1_20)) > (last_1_var_1_20)) ? ((last_1_var_1_20 + last_1_var_1_20)) : (last_1_var_1_20))))) : ((((last_1_var_1_20 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25))))))) && ((var_1_25 <= last_1_var_1_16) ? (var_1_16 == ((unsigned long int) ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20))) : ((last_1_var_1_16 == var_1_7) ? (var_1_16 == ((unsigned long int) (((var_1_17 + var_1_18) - last_1_var_1_16) - var_1_20))) : 1))) && ((var_1_13 >= var_1_18) ? (var_1_19 == ((unsigned long int) ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20))))) : 1)) && (last_1_var_1_33 ? (((last_1_var_1_16 * (var_1_10 & last_1_var_1_25)) > last_1_var_1_20) ? (last_1_var_1_33 ? (var_1_20 == ((unsigned char) var_1_21)) : (var_1_20 == ((unsigned char) var_1_21))) : 1) : (var_1_20 == ((unsigned char) 100))) [L202] EXPR (((((((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((last_1_var_1_20 + last_1_var_1_20)) > (last_1_var_1_20)) ? ((last_1_var_1_20 + last_1_var_1_20)) : (last_1_var_1_20))))) : ((((last_1_var_1_20 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25))))))) && ((var_1_25 <= last_1_var_1_16) ? (var_1_16 == ((unsigned long int) ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20))) : ((last_1_var_1_16 == var_1_7) ? (var_1_16 == ((unsigned long int) (((var_1_17 + var_1_18) - last_1_var_1_16) - var_1_20))) : 1))) && ((var_1_13 >= var_1_18) ? (var_1_19 == ((unsigned long int) ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20))))) : 1)) && (last_1_var_1_33 ? (((last_1_var_1_16 * (var_1_10 & last_1_var_1_25)) > last_1_var_1_20) ? (last_1_var_1_33 ? (var_1_20 == ((unsigned char) var_1_21)) : (var_1_20 == ((unsigned char) var_1_21))) : 1) : (var_1_20 == ((unsigned char) 100)))) && ((var_1_20 < var_1_20) ? (var_1_22 == ((unsigned short int) ((((((var_1_16 + 16) + (var_1_23 - var_1_21))) < (var_1_20)) ? (((var_1_16 + 16) + (var_1_23 - var_1_21))) : (var_1_20))))) : (var_1_33 ? (var_1_22 == ((unsigned short int) var_1_20)) : (var_1_22 == ((unsigned short int) 2))))) && ((var_1_6 == (- (99.4f * var_1_4))) ? (var_1_25 == ((signed char) (((((var_1_26 + var_1_27)) < (var_1_28)) ? ((var_1_26 + var_1_27)) : (var_1_28))))) : (((last_1_var_1_20 ^ last_1_var_1_19) < last_1_var_1_20) ? (var_1_25 == ((signed char) var_1_27)) : (var_1_25 == ((signed char) var_1_26)))) [L202] EXPR (((((((((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((last_1_var_1_20 + last_1_var_1_20)) > (last_1_var_1_20)) ? ((last_1_var_1_20 + last_1_var_1_20)) : (last_1_var_1_20))))) : ((((last_1_var_1_20 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25))))))) && ((var_1_25 <= last_1_var_1_16) ? (var_1_16 == ((unsigned long int) ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20))) : ((last_1_var_1_16 == var_1_7) ? (var_1_16 == ((unsigned long int) (((var_1_17 + var_1_18) - last_1_var_1_16) - var_1_20))) : 1))) && ((var_1_13 >= var_1_18) ? (var_1_19 == ((unsigned long int) ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20))))) : 1)) && (last_1_var_1_33 ? (((last_1_var_1_16 * (var_1_10 & last_1_var_1_25)) > last_1_var_1_20) ? (last_1_var_1_33 ? (var_1_20 == ((unsigned char) var_1_21)) : (var_1_20 == ((unsigned char) var_1_21))) : 1) : (var_1_20 == ((unsigned char) 100)))) && ((var_1_20 < var_1_20) ? (var_1_22 == ((unsigned short int) ((((((var_1_16 + 16) + (var_1_23 - var_1_21))) < (var_1_20)) ? (((var_1_16 + 16) + (var_1_23 - var_1_21))) : (var_1_20))))) : (var_1_33 ? (var_1_22 == ((unsigned short int) var_1_20)) : (var_1_22 == ((unsigned short int) 2))))) && ((var_1_6 == (- (99.4f * var_1_4))) ? (var_1_25 == ((signed char) (((((var_1_26 + var_1_27)) < (var_1_28)) ? ((var_1_26 + var_1_27)) : (var_1_28))))) : (((last_1_var_1_20 ^ last_1_var_1_19) < last_1_var_1_20) ? (var_1_25 == ((signed char) var_1_27)) : (var_1_25 == ((signed char) var_1_26))))) && ((var_1_18 >= var_1_16) ? (((- var_1_6) <= var_1_4) ? (var_1_29 == ((double) ((((var_1_5) > ((var_1_6 - var_1_4))) ? (var_1_5) : ((var_1_6 - var_1_4)))))) : (var_1_29 == ((double) (1.0000000000002E12 + ((((((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) > (var_1_32)) ? (((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) : (var_1_32))))))) : (var_1_29 == ((double) var_1_6)))) && (((var_1_20 ^ var_1_23) > var_1_13) ? ((! (var_1_18 == (var_1_20 + var_1_7))) ? (var_1_33 == ((unsigned char) var_1_34)) : 1) : (var_1_2 ? (var_1_33 == ((unsigned char) 0)) : (var_1_33 == ((unsigned char) var_1_34)))) [L202-L203] return ((((((((((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((last_1_var_1_20 + last_1_var_1_20)) > (last_1_var_1_20)) ? ((last_1_var_1_20 + last_1_var_1_20)) : (last_1_var_1_20))))) : ((((last_1_var_1_20 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25))))))) && ((var_1_25 <= last_1_var_1_16) ? (var_1_16 == ((unsigned long int) ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20))) : ((last_1_var_1_16 == var_1_7) ? (var_1_16 == ((unsigned long int) (((var_1_17 + var_1_18) - last_1_var_1_16) - var_1_20))) : 1))) && ((var_1_13 >= var_1_18) ? (var_1_19 == ((unsigned long int) ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20))))) : 1)) && (last_1_var_1_33 ? (((last_1_var_1_16 * (var_1_10 & last_1_var_1_25)) > last_1_var_1_20) ? (last_1_var_1_33 ? (var_1_20 == ((unsigned char) var_1_21)) : (var_1_20 == ((unsigned char) var_1_21))) : 1) : (var_1_20 == ((unsigned char) 100)))) && ((var_1_20 < var_1_20) ? (var_1_22 == ((unsigned short int) ((((((var_1_16 + 16) + (var_1_23 - var_1_21))) < (var_1_20)) ? (((var_1_16 + 16) + (var_1_23 - var_1_21))) : (var_1_20))))) : (var_1_33 ? (var_1_22 == ((unsigned short int) var_1_20)) : (var_1_22 == ((unsigned short int) 2))))) && ((var_1_6 == (- (99.4f * var_1_4))) ? (var_1_25 == ((signed char) (((((var_1_26 + var_1_27)) < (var_1_28)) ? ((var_1_26 + var_1_27)) : (var_1_28))))) : (((last_1_var_1_20 ^ last_1_var_1_19) < last_1_var_1_20) ? (var_1_25 == ((signed char) var_1_27)) : (var_1_25 == ((signed char) var_1_26))))) && ((var_1_18 >= var_1_16) ? (((- var_1_6) <= var_1_4) ? (var_1_29 == ((double) ((((var_1_5) > ((var_1_6 - var_1_4))) ? (var_1_5) : ((var_1_6 - var_1_4)))))) : (var_1_29 == ((double) (1.0000000000002E12 + ((((((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) > (var_1_32)) ? (((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) : (var_1_32))))))) : (var_1_29 == ((double) var_1_6)))) && (((var_1_20 ^ var_1_23) > var_1_13) ? ((! (var_1_18 == (var_1_20 + var_1_7))) ? (var_1_33 == ((unsigned char) var_1_34)) : 1) : (var_1_2 ? (var_1_33 == ((unsigned char) 0)) : (var_1_33 == ((unsigned char) var_1_34))))) && (var_1_35 == ((unsigned short int) var_1_7)) ; [L213] RET, EXPR property() [L213] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=8, var_1_16=3808567485, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_1=2, var_1_20=100, var_1_21=1, var_1_22=2, var_1_23=16383, var_1_25=0, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=2, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=1, var_1_5=0, var_1_6=2, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=0, var_1_12=41, var_1_13=8, var_1_16=3808567485, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_1=2, var_1_20=100, var_1_21=1, var_1_22=2, var_1_23=16383, var_1_25=0, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=2, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=1, var_1_5=0, var_1_6=2, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 28, 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 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 [2023-11-23 21:24:28,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire --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 161bb7a2aeb8f0e9fdffca01ff4293552e60c655d94a257edfbbb7105096b1f1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:31,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:31,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:24:31,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:31,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:31,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:31,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:31,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:31,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:31,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:31,355 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:31,356 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:31,356 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:31,358 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:31,358 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:31,359 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:31,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:31,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:31,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:24:31,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:24:31,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:31,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:31,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:31,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:31,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:24:31,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:24:31,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:24:31,366 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:24:31,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:31,367 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:31,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:31,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:24:31,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:31,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:31,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:31,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:31,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:31,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:31,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:24:31,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:31,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:31,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:31,373 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:31,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:31,373 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_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161bb7a2aeb8f0e9fdffca01ff4293552e60c655d94a257edfbbb7105096b1f1 [2023-11-23 21:24:31,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:31,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:31,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:31,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:31,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:31,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-11-23 21:24:34,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:35,216 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:35,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-11-23 21:24:35,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/data/d023c499e/279a7d3074fc4008a73ff477921e6ffe/FLAG43d1f616e [2023-11-23 21:24:35,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/data/d023c499e/279a7d3074fc4008a73ff477921e6ffe [2023-11-23 21:24:35,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:35,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:35,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:35,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:35,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:35,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d42b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35, skipping insertion in model container [2023-11-23 21:24:35,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:35,503 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_af10b271-d504-43a3-9f61-ac0e186e6d3a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i[916,929] [2023-11-23 21:24:35,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:35,629 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:35,641 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_af10b271-d504-43a3-9f61-ac0e186e6d3a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i[916,929] [2023-11-23 21:24:35,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:35,751 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:35,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35 WrapperNode [2023-11-23 21:24:35,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:35,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:35,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:35,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:35,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,817 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-23 21:24:35,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:35,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:35,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:35,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:35,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:35,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:35,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:35,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:35,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (1/1) ... [2023-11-23 21:24:35,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:35,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:35,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:35,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:24:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:24:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:24:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:36,070 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:36,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:39,872 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:39,931 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:39,931 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:39,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:39 BoogieIcfgContainer [2023-11-23 21:24:39,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:39,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:39,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:39,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:39,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:35" (1/3) ... [2023-11-23 21:24:39,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655c7eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:39, skipping insertion in model container [2023-11-23 21:24:39,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:35" (2/3) ... [2023-11-23 21:24:39,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655c7eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:39, skipping insertion in model container [2023-11-23 21:24:39,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:39" (3/3) ... [2023-11-23 21:24:39,942 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-11-23 21:24:39,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:39,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:40,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:40,039 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;@1183cc1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:40,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:24:40,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-23 21:24:40,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:40,065 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:40,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:40,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:40,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1745475884, now seen corresponding path program 1 times [2023-11-23 21:24:40,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:40,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308968412] [2023-11-23 21:24:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:40,094 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 [2023-11-23 21:24:40,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:40,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:24:40,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:24:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:40,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:24:40,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-23 21:24:40,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:40,945 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:40,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308968412] [2023-11-23 21:24:40,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308968412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:40,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:40,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:24:40,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976562525] [2023-11-23 21:24:40,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:40,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:24:40,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:41,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:24:41,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:24:41,008 INFO L87 Difference]: Start difference. First operand has 85 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:24:43,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:43,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:43,268 INFO L93 Difference]: Finished difference Result 169 states and 299 transitions. [2023-11-23 21:24:43,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:24:43,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 179 [2023-11-23 21:24:43,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:43,281 INFO L225 Difference]: With dead ends: 169 [2023-11-23 21:24:43,281 INFO L226 Difference]: Without dead ends: 83 [2023-11-23 21:24:43,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:24:43,289 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:43,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:24:43,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-23 21:24:43,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-23 21:24:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:24:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 131 transitions. [2023-11-23 21:24:43,347 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 131 transitions. Word has length 179 [2023-11-23 21:24:43,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:43,348 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 131 transitions. [2023-11-23 21:24:43,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:24:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2023-11-23 21:24:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-23 21:24:43,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:43,355 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:43,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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)] Ended with exit code 0 [2023-11-23 21:24:43,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:24:43,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:43,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:43,556 INFO L85 PathProgramCache]: Analyzing trace with hash -57022044, now seen corresponding path program 1 times [2023-11-23 21:24:43,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:43,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430552258] [2023-11-23 21:24:43,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:43,558 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 [2023-11-23 21:24:43,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:43,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:24:43,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:24:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:44,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:24:44,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 788 proven. 84 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-23 21:24:46,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:24:46,958 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:46,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430552258] [2023-11-23 21:24:46,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430552258] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1167291099] [2023-11-23 21:24:46,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:46,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:46,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:24:46,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:24:47,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:24:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:48,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:24:48,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:24:48,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:48,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1167291099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:48,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:24:48,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 15 [2023-11-23 21:24:48,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287270637] [2023-11-23 21:24:48,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:48,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:24:48,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:48,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:24:48,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:24:48,667 INFO L87 Difference]: Start difference. First operand 83 states and 131 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:24:51,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:53,071 WARN L539 Checker$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 [] [2023-11-23 21:24:55,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:57,084 WARN L539 Checker$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 [] [2023-11-23 21:24:58,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:59,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:59,058 INFO L93 Difference]: Finished difference Result 247 states and 391 transitions. [2023-11-23 21:24:59,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:24:59,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2023-11-23 21:24:59,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:59,064 INFO L225 Difference]: With dead ends: 247 [2023-11-23 21:24:59,064 INFO L226 Difference]: Without dead ends: 165 [2023-11-23 21:24:59,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:24:59,068 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 113 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:59,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 460 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 4 Unknown, 0 Unchecked, 10.3s Time] [2023-11-23 21:24:59,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-23 21:24:59,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2023-11-23 21:24:59,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 103 states have (on average 1.4077669902912622) internal successors, (145), 103 states have internal predecessors, (145), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 21:24:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 257 transitions. [2023-11-23 21:24:59,108 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 257 transitions. Word has length 179 [2023-11-23 21:24:59,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:59,109 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 257 transitions. [2023-11-23 21:24:59,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:24:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2023-11-23 21:24:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:24:59,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:59,114 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:59,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:59,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:59,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:24:59,529 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:59,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:59,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1768641348, now seen corresponding path program 1 times [2023-11-23 21:24:59,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:59,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511274285] [2023-11-23 21:24:59,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:59,531 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 [2023-11-23 21:24:59,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:59,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:24:59,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:24:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:59,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:24:59,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:25:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 788 proven. 84 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-23 21:25:01,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:25:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:25:02,732 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:25:02,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511274285] [2023-11-23 21:25:02,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511274285] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:25:02,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1881489872] [2023-11-23 21:25:02,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:25:02,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:25:02,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:25:02,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:25:02,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:25:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:25:03,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:25:03,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:25:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:25:03,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:25:03,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1881489872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:25:03,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:25:03,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 6] total 14 [2023-11-23 21:25:03,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980029153] [2023-11-23 21:25:03,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:25:03,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:25:03,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:25:03,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:25:03,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:25:03,501 INFO L87 Difference]: Start difference. First operand 162 states and 257 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:25:05,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:25:07,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:25:09,699 WARN L539 Checker$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 [] [2023-11-23 21:25:09,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:25:09,779 INFO L93 Difference]: Finished difference Result 482 states and 765 transitions. [2023-11-23 21:25:09,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:25:09,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-11-23 21:25:09,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:25:09,786 INFO L225 Difference]: With dead ends: 482 [2023-11-23 21:25:09,786 INFO L226 Difference]: Without dead ends: 321 [2023-11-23 21:25:09,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:25:09,789 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 120 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:25:09,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 247 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 21:25:09,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-23 21:25:09,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 317. [2023-11-23 21:25:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 200 states have (on average 1.38) internal successors, (276), 200 states have internal predecessors, (276), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-23 21:25:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 500 transitions. [2023-11-23 21:25:09,849 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 500 transitions. Word has length 180 [2023-11-23 21:25:09,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:25:09,850 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 500 transitions. [2023-11-23 21:25:09,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:25:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 500 transitions. [2023-11-23 21:25:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:25:09,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:25:09,854 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:25:09,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:25:10,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:25:10,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:25:10,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:25:10,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:25:10,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1768581766, now seen corresponding path program 1 times [2023-11-23 21:25:10,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:25:10,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632060732] [2023-11-23 21:25:10,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:25:10,275 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 [2023-11-23 21:25:10,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:25:10,277 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:25:10,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:25:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:25:10,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:25:10,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:25:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 788 proven. 84 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-23 21:25:12,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:25:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:25:13,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:25:13,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632060732] [2023-11-23 21:25:13,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632060732] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:25:13,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1339789852] [2023-11-23 21:25:13,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:25:13,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:25:13,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:25:13,661 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:25:13,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 21:25:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:25:15,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:25:15,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:25:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 771 proven. 45 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-23 21:25:16,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:25:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:25:16,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1339789852] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:25:16,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504804276] [2023-11-23 21:25:16,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:25:16,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:25:16,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:25:16,612 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:25:16,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af10b271-d504-43a3-9f61-ac0e186e6d3a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 21:25:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:25:16,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:25:17,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:25:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 771 proven. 45 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-23 21:25:17,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:25:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:25:18,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504804276] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:25:18,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:25:18,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 14 [2023-11-23 21:25:18,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789140264] [2023-11-23 21:25:18,269 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:25:18,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 21:25:18,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:25:18,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 21:25:18,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:25:18,275 INFO L87 Difference]: Start difference. First operand 317 states and 500 transitions. Second operand has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 4 states have call successors, (57), 3 states have call predecessors, (57), 6 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59)