./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX --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 a84128d9dc2647965d087aabf3251d6852e74faf39ebdf7a8caa157044f8c0e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:00,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:01,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:14:01,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:01,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:01,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:01,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:01,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:01,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:01,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:01,126 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:01,127 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:01,128 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:01,129 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:14:01,130 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:01,131 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:01,131 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:14:01,132 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:14:01,132 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:01,133 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:14:01,133 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:14:01,134 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:14:01,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:01,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:01,136 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:14:01,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:01,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:14:01,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:01,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:01,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:01,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:01,140 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:14:01,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:01,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:01,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:01,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:01,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:01,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:01,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:01,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:01,143 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:14:01,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:14:01,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:01,144 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:01,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:01,145 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_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a84128d9dc2647965d087aabf3251d6852e74faf39ebdf7a8caa157044f8c0e2 [2023-11-12 00:14:01,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:01,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:01,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:01,573 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:01,573 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:01,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-11-12 00:14:04,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:04,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:04,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-11-12 00:14:04,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/data/05fe227f3/5ab0401a129f40f7b8e7377acd942e34/FLAGaf58d7fce [2023-11-12 00:14:05,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/data/05fe227f3/5ab0401a129f40f7b8e7377acd942e34 [2023-11-12 00:14:05,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:05,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:05,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:05,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:05,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:05,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171eb4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05, skipping insertion in model container [2023-11-12 00:14:05,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:05,261 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_0679099e-2b57-4b0c-84e7-d6b120592b41/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i[918,931] [2023-11-12 00:14:05,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:05,391 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:05,405 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_0679099e-2b57-4b0c-84e7-d6b120592b41/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i[918,931] [2023-11-12 00:14:05,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:05,465 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:05,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05 WrapperNode [2023-11-12 00:14:05,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:05,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:05,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:05,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:05,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,540 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-11-12 00:14:05,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:05,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:05,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:05,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:05,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:05,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:05,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:05,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:05,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (1/1) ... [2023-11-12 00:14:05,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:05,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:05,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:05,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:14:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:14:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:14:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:05,843 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:05,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:06,516 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:06,934 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:06,934 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:14:06,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:06 BoogieIcfgContainer [2023-11-12 00:14:06,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:06,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:06,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:06,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:06,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:05" (1/3) ... [2023-11-12 00:14:06,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44340244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:06, skipping insertion in model container [2023-11-12 00:14:06,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:05" (2/3) ... [2023-11-12 00:14:06,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44340244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:06, skipping insertion in model container [2023-11-12 00:14:06,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:06" (3/3) ... [2023-11-12 00:14:06,950 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-11-12 00:14:06,971 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:06,972 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:14:07,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:07,041 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;@76dcd926, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:07,042 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:14:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:14:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-12 00:14:07,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:07,061 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:07,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:07,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:07,071 INFO L85 PathProgramCache]: Analyzing trace with hash -214303497, now seen corresponding path program 1 times [2023-11-12 00:14:07,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:07,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393992751] [2023-11-12 00:14:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:07,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:07,331 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:14:07,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185639095] [2023-11-12 00:14:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:07,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:14:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:07,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:14:07,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:14:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:14:07,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:14:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:14:07,980 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:14:07,983 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:14:07,985 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:14:07,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:14:08,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:14:08,201 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:14:08,209 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:14:08,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:14:08 BoogieIcfgContainer [2023-11-12 00:14:08,330 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:14:08,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:14:08,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:14:08,332 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:14:08,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:06" (3/4) ... [2023-11-12 00:14:08,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:14:08,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:14:08,341 INFO L158 Benchmark]: Toolchain (without parser) took 3326.39ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 116.9MB in the beginning and 139.6MB in the end (delta: -22.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-12 00:14:08,342 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:14:08,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.34ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 102.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:14:08,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.01ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 98.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:14:08,346 INFO L158 Benchmark]: Boogie Preprocessor took 45.13ms. Allocated memory is still 163.6MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:14:08,346 INFO L158 Benchmark]: RCFGBuilder took 1350.35ms. Allocated memory is still 163.6MB. Free memory was 96.4MB in the beginning and 73.3MB in the end (delta: 23.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-12 00:14:08,349 INFO L158 Benchmark]: TraceAbstraction took 1390.64ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 73.3MB in the beginning and 139.6MB in the end (delta: -66.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:14:08,349 INFO L158 Benchmark]: Witness Printer took 8.13ms. Allocated memory is still 207.6MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:14:08,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.34ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 102.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.01ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 98.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.13ms. Allocated memory is still 163.6MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1350.35ms. Allocated memory is still 163.6MB. Free memory was 96.4MB in the beginning and 73.3MB in the end (delta: 23.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1390.64ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 73.3MB in the beginning and 139.6MB in the end (delta: -66.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.13ms. Allocated memory is still 207.6MB. Free memory is still 139.6MB. 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 someBinaryFLOATComparisonOperation at line 161, overapproximation of shiftLeft at line 65, overapproximation of bitwiseOr at line 80, overapproximation of shiftRight at line 113, overapproximation of someUnaryDOUBLEoperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned long int var_1_19 = 50; [L37] unsigned char var_1_23 = 64; [L38] unsigned short int var_1_26 = 32; [L39] unsigned short int var_1_28 = 64; [L40] float var_1_30 = -0.2; [L41] float var_1_32 = -0.375; [L42] float var_1_33 = 1.4; [L43] float var_1_35 = 1.5; [L44] unsigned char last_1_var_1_10 = 32; [L45] unsigned short int last_1_var_1_12 = 16; [L46] unsigned long int last_1_var_1_13 = 128; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L164] last_1_var_1_10 = var_1_10 [L165] last_1_var_1_12 = var_1_12 [L166] last_1_var_1_13 = var_1_13 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L133] var_1_3 = __VERIFIER_nondet_short() [L134] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L135] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L136] var_1_5 = __VERIFIER_nondet_long() [L137] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L138] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L139] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L140] var_1_6 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L143] var_1_7 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L145] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L146] var_1_8 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=9/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=9/5] [L148] var_1_9 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L150] var_1_11 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L152] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L156] var_1_30 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L158] CALL assume_abort_if_not(var_1_30 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_30 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L159] var_1_32 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_32=5, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_32=5, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L161] CALL assume_abort_if_not(var_1_32 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_32=5, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_32 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=1, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_32=5, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L177] RET updateVariables() [L178] CALL step() [L50] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L51] var_1_12 = var_1_6 [L53] COND FALSE !(((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) == (~ 16u)) [L58] var_1_33 = var_1_8 [L59] signed long int stepLocal_2 = last_1_var_1_12 + var_1_7; [L60] COND TRUE var_1_6 <= stepLocal_2 [L61] var_1_10 = var_1_11 [L65] EXPR 1 << var_1_10 [L65] COND TRUE (1 << var_1_10) != (-500 / -100) [L66] COND FALSE !((var_1_6 - var_1_3) >= (var_1_12 + 256)) [L69] var_1_13 = var_1_12 [L74] var_1_18 = var_1_3 [L75] COND TRUE var_1_10 <= var_1_6 [L76] COND FALSE !(var_1_10 <= (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) / var_1_6)) [L90] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L91] unsigned char stepLocal_3 = var_1_10; [L92] COND TRUE (- var_1_9) <= var_1_8 [L93] COND TRUE \read(var_1_15) [L94] COND TRUE stepLocal_4 < var_1_12 [L95] COND FALSE !(var_1_13 == stepLocal_3) [L107] COND FALSE !((var_1_8 / var_1_30) > ((((var_1_8 / var_1_32) < 0 ) ? -(var_1_8 / var_1_32) : (var_1_8 / var_1_32)))) [L112] signed long int stepLocal_1 = (var_1_10 & 0) * var_1_5; [L113] EXPR var_1_16 >> var_1_3 [L113] signed long int stepLocal_0 = var_1_16 >> var_1_3; [L114] COND FALSE !(stepLocal_0 == (var_1_10 / var_1_5)) [L121] COND TRUE var_1_15 || var_1_15 [L122] var_1_19 = ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) [L124] COND TRUE ((256 - var_1_7) <= (var_1_10 + var_1_6)) || var_1_15 [L125] COND TRUE \read(var_1_15) [L126] COND FALSE !(((var_1_10 == var_1_6) && var_1_15) && var_1_15) [L178] RET step() [L179] CALL, EXPR property() [L169] EXPR var_1_16 >> var_1_3 [L169] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L169] EXPR 1 << var_1_10 [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L169-L170] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=1, var_1_11=1, var_1_12=6, var_1_13=6, var_1_15=1, var_1_16=256, var_1_18=0, var_1_19=0, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_32=5, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=1, var_1_11=1, var_1_12=6, var_1_13=6, var_1_15=1, var_1_16=256, var_1_18=0, var_1_19=0, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_30=4, var_1_32=5, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=1, var_1_6=6, var_1_7=0, var_1_8=2, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 19, 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=38occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 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 [2023-11-12 00:14:08,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/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_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX --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 a84128d9dc2647965d087aabf3251d6852e74faf39ebdf7a8caa157044f8c0e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:11,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:11,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:14:11,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:11,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:11,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:11,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:11,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:11,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:11,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:11,376 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:11,377 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:11,377 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:11,378 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:11,378 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:11,379 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:11,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:11,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:11,381 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:14:11,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:14:11,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:11,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:11,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:11,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:11,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:14:11,386 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:14:11,386 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:14:11,387 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:14:11,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:11,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:11,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:11,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:14:11,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:11,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:11,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:11,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:11,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:11,392 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:14:11,392 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:14:11,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:11,394 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:11,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:11,394 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_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a84128d9dc2647965d087aabf3251d6852e74faf39ebdf7a8caa157044f8c0e2 [2023-11-12 00:14:11,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:11,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:11,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:11,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:11,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:11,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-11-12 00:14:15,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:15,583 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:15,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-11-12 00:14:15,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/data/e906a9fef/f247896fe461443797c20240370f8cf8/FLAG731985432 [2023-11-12 00:14:15,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/data/e906a9fef/f247896fe461443797c20240370f8cf8 [2023-11-12 00:14:15,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:15,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:15,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:15,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:15,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:15,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:15" (1/1) ... [2023-11-12 00:14:15,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ac6acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:15, skipping insertion in model container [2023-11-12 00:14:15,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:15" (1/1) ... [2023-11-12 00:14:15,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:15,881 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_0679099e-2b57-4b0c-84e7-d6b120592b41/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i[918,931] [2023-11-12 00:14:15,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:16,018 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:16,037 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_0679099e-2b57-4b0c-84e7-d6b120592b41/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i[918,931] [2023-11-12 00:14:16,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:16,121 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:16,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16 WrapperNode [2023-11-12 00:14:16,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:16,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:16,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:16,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:16,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,180 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-12 00:14:16,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:16,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:16,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:16,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:16,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:16,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:16,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:16,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:16,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (1/1) ... [2023-11-12 00:14:16,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:16,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:16,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:16,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:14:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:14:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:14:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:16,442 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:16,444 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:22,747 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:22,758 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:22,761 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:14:22,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:22 BoogieIcfgContainer [2023-11-12 00:14:22,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:22,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:22,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:22,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:22,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:15" (1/3) ... [2023-11-12 00:14:22,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d767a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:22, skipping insertion in model container [2023-11-12 00:14:22,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:16" (2/3) ... [2023-11-12 00:14:22,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d767a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:22, skipping insertion in model container [2023-11-12 00:14:22,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:22" (3/3) ... [2023-11-12 00:14:22,778 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-11-12 00:14:22,801 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:22,801 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:14:22,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:22,913 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;@2f36b099, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:22,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:14:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:14:22,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-12 00:14:22,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:22,944 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:22,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:22,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:22,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1174317610, now seen corresponding path program 1 times [2023-11-12 00:14:22,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:14:22,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040791359] [2023-11-12 00:14:22,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:22,965 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 [2023-11-12 00:14:22,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:14:22,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:14:22,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:14:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:25,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:14:25,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:14:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-11-12 00:14:25,125 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:14:25,126 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:14:25,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040791359] [2023-11-12 00:14:25,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040791359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:25,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:25,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:25,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634018866] [2023-11-12 00:14:25,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:25,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:14:25,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:14:25,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:14:25,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:14:25,172 INFO L87 Difference]: Start difference. First operand has 74 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:14:25,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:25,212 INFO L93 Difference]: Finished difference Result 140 states and 245 transitions. [2023-11-12 00:14:25,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:14:25,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 129 [2023-11-12 00:14:25,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:25,227 INFO L225 Difference]: With dead ends: 140 [2023-11-12 00:14:25,227 INFO L226 Difference]: Without dead ends: 69 [2023-11-12 00:14:25,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:14:25,239 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:25,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:25,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-12 00:14:25,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-12 00:14:25,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:14:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 106 transitions. [2023-11-12 00:14:25,314 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 106 transitions. Word has length 129 [2023-11-12 00:14:25,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:25,315 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 106 transitions. [2023-11-12 00:14:25,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:14:25,317 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2023-11-12 00:14:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-12 00:14:25,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:25,328 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:25,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:14:25,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:14:25,548 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:25,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:25,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1196775356, now seen corresponding path program 1 times [2023-11-12 00:14:25,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:14:25,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814694243] [2023-11-12 00:14:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:25,551 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 [2023-11-12 00:14:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:14:25,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:14:25,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0679099e-2b57-4b0c-84e7-d6b120592b41/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:14:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:27,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-12 00:14:27,587 INFO L285 TraceCheckSpWp]: Computing forward predicates...