./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:56:10,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:10,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:11,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:11,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:11,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:11,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:11,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:11,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:11,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:11,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:11,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:11,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:11,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:11,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:11,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:11,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:11,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:11,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:11,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:11,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:11,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:11,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:11,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:11,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:11,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:11,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:11,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:11,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:11,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:11,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:11,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:11,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:11,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:11,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:11,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:11,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:11,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:11,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:11,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:11,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:11,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:56:11,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:11,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:11,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:56:11,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:56:11,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:11,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:11,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:11,147 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:11,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:11,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:11,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:11,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:56:11,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:11,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:56:11,150 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:11,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:56:11,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:11,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:56:11,151 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:11,151 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:11,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:11,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:11,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:11,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:11,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:56:11,152 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:11,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:11,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:56:11,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2022-10-17 16:56:11,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:11,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:11,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:11,470 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:11,472 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:11,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2022-10-17 16:56:11,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/data/91cabfbdd/6a994faa0f2c48adb8478e000dec16f9/FLAG2b2cf36a3 [2022-10-17 16:56:12,247 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:12,248 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2022-10-17 16:56:12,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/data/91cabfbdd/6a994faa0f2c48adb8478e000dec16f9/FLAG2b2cf36a3 [2022-10-17 16:56:12,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/data/91cabfbdd/6a994faa0f2c48adb8478e000dec16f9 [2022-10-17 16:56:12,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:12,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:12,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:12,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:12,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:12,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:12" (1/1) ... [2022-10-17 16:56:12,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4f2340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:12, skipping insertion in model container [2022-10-17 16:56:12,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:12" (1/1) ... [2022-10-17 16:56:12,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:12,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:13,157 WARN L230 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_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2022-10-17 16:56:13,174 WARN L230 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_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2022-10-17 16:56:13,283 WARN L230 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_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2022-10-17 16:56:13,284 WARN L230 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_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2022-10-17 16:56:13,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:13,304 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:13,338 WARN L230 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_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2022-10-17 16:56:13,348 WARN L230 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_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2022-10-17 16:56:13,434 WARN L230 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_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2022-10-17 16:56:13,441 WARN L230 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_78b775ea-c4dd-4684-9530-bbf5111a69ff/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2022-10-17 16:56:13,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:13,551 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:13,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13 WrapperNode [2022-10-17 16:56:13,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:13,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:13,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:13,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:13,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,675 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1040 [2022-10-17 16:56:13,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:13,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:13,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:13,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:13,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:13,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:13,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:13,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:13,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:13" (1/1) ... [2022-10-17 16:56:13,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:13,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:13,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:14,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b775ea-c4dd-4684-9530-bbf5111a69ff/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:56:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:56:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:56:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:56:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2022-10-17 16:56:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2022-10-17 16:56:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:56:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:56:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:56:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:56:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:56:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2022-10-17 16:56:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2022-10-17 16:56:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:56:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2022-10-17 16:56:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2022-10-17 16:56:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:56:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:14,365 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:14,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:15,929 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:16,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:16,382 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-10-17 16:56:16,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:16 BoogieIcfgContainer [2022-10-17 16:56:16,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:56:16,388 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:56:16,388 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:56:16,398 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:56:16,398 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:16" (1/1) ... [2022-10-17 16:56:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:56:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 142 states and 234 transitions. [2022-10-17 16:56:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 234 transitions. [2022-10-17 16:56:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:56:16,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:16,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 142 states and 231 transitions. [2022-10-17 16:56:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2022-10-17 16:56:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:56:16,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:16,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 144 states and 234 transitions. [2022-10-17 16:56:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 234 transitions. [2022-10-17 16:56:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:56:17,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:17,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:17,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:17,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 144 states and 225 transitions. [2022-10-17 16:56:17,272 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 225 transitions. [2022-10-17 16:56:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:56:17,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:17,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:17,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:17,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:17,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 144 states and 223 transitions. [2022-10-17 16:56:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 223 transitions. [2022-10-17 16:56:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:56:17,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:17,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:17,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:17,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2022-10-17 16:56:17,603 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2022-10-17 16:56:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:56:17,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:17,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:18,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:56:18,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 149 states and 232 transitions. [2022-10-17 16:56:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 232 transitions. [2022-10-17 16:56:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:56:18,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:18,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:18,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:18,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 149 states and 222 transitions. [2022-10-17 16:56:18,775 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2022-10-17 16:56:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:56:18,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:18,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:19,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:56:19,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 161 states and 237 transitions. [2022-10-17 16:56:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 237 transitions. [2022-10-17 16:56:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:56:19,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:19,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:20,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:56:20,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:21,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 186 states and 283 transitions. [2022-10-17 16:56:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 283 transitions. [2022-10-17 16:56:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:56:21,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:21,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:22,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 1661 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:22,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:22,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:22,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 186 states and 281 transitions. [2022-10-17 16:56:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 281 transitions. [2022-10-17 16:56:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:56:22,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:22,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:22,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1667 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:56:22,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:22,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:22,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 189 states and 283 transitions. [2022-10-17 16:56:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2022-10-17 16:56:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:56:22,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:22,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:23,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:56:23,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:23,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:23,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 192 states and 285 transitions. [2022-10-17 16:56:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 285 transitions. [2022-10-17 16:56:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:56:23,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:23,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:23,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:56:23,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 198 states and 297 transitions. [2022-10-17 16:56:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 297 transitions. [2022-10-17 16:56:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:56:24,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:24,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:24,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:24,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:56:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 196 states and 292 transitions. [2022-10-17 16:56:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 292 transitions. [2022-10-17 16:56:24,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:56:24,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:24,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:24,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:56:24,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:56:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 209 states and 308 transitions. [2022-10-17 16:56:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 308 transitions. [2022-10-17 16:56:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:56:25,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:25,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:25,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:56:25,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:26,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 16:56:26,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-17 16:56:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:56:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 211 states and 311 transitions. [2022-10-17 16:56:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 311 transitions. [2022-10-17 16:56:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:56:26,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:26,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:26,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:26,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:56:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:26,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 211 states and 308 transitions. [2022-10-17 16:56:26,618 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 308 transitions. [2022-10-17 16:56:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:56:26,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:26,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:26,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:26,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 16:56:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 211 states and 306 transitions. [2022-10-17 16:56:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 306 transitions. [2022-10-17 16:56:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:56:26,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:26,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:27,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:27,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:56:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 211 states and 302 transitions. [2022-10-17 16:56:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 302 transitions. [2022-10-17 16:56:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:56:27,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:27,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:27,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:56:27,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:56:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 226 states and 332 transitions. [2022-10-17 16:56:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 332 transitions. [2022-10-17 16:56:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:56:29,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:29,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:29,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:56:29,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:56:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 229 states and 334 transitions. [2022-10-17 16:56:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 334 transitions. [2022-10-17 16:56:30,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:56:30,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:30,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:31,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:56:31,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:56:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 235 states and 351 transitions. [2022-10-17 16:56:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 351 transitions. [2022-10-17 16:56:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:56:35,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:35,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:35,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:56:35,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:56:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 237 states and 355 transitions. [2022-10-17 16:56:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 355 transitions. [2022-10-17 16:56:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 16:56:37,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:37,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:38,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:56:38,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:56:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 239 states and 360 transitions. [2022-10-17 16:56:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 360 transitions. [2022-10-17 16:56:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:56:40,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:40,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms