./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c --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_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/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_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/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_b7ab8414-7aa7-4442-bb10-353482483986/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 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 --- 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 16:46:04,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:04,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:04,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:04,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:04,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:04,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:04,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:04,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:04,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:04,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:04,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:04,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:04,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:04,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:04,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:04,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:04,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:04,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:04,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:04,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:04,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:04,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:04,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:04,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:04,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:04,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:04,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:04,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:04,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:04,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:04,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:04,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:04,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:04,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:04,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:04,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:04,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:04,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:04,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:04,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:04,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:04,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:04,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:04,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:04,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:04,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:04,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:04,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:04,328 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:04,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:04,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:04,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:04,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:04,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:04,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:04,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:04,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:04,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:04,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:04,331 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:04,331 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:04,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:04,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:04,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:04,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:04,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:04,332 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:04,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:04,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:04,333 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_b7ab8414-7aa7-4442-bb10-353482483986/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 [2022-10-17 16:46:04,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:04,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:04,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:04,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:04,637 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:04,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2022-10-17 16:46:04,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/data/b3cd9bb1b/b7a86c41f64f46c5a24abed65c1e89d1/FLAG0125ab0b5 [2022-10-17 16:46:05,253 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:05,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2022-10-17 16:46:05,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/data/b3cd9bb1b/b7a86c41f64f46c5a24abed65c1e89d1/FLAG0125ab0b5 [2022-10-17 16:46:05,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/data/b3cd9bb1b/b7a86c41f64f46c5a24abed65c1e89d1 [2022-10-17 16:46:05,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:05,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:05,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:05,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:05,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:05,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:05,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05, skipping insertion in model container [2022-10-17 16:46:05,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:05,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:05,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:05,868 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_b7ab8414-7aa7-4442-bb10-353482483986/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2022-10-17 16:46:05,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:05,899 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:05,919 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_b7ab8414-7aa7-4442-bb10-353482483986/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2022-10-17 16:46:05,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:05,963 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:05,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05 WrapperNode [2022-10-17 16:46:05,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:05,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:05,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:05,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:05,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:05,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,009 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-10-17 16:46:06,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:06,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:06,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:06,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:06,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,044 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:06,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:06,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:06,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:06,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:05" (1/1) ... [2022-10-17 16:46:06,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:06,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:06,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:06,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ab8414-7aa7-4442-bb10-353482483986/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:46:06,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:46:06,226 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:06,228 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:06,405 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:06,439 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:06,439 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:46:06,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:06 BoogieIcfgContainer [2022-10-17 16:46:06,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:06,444 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:06,444 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:06,453 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:06,454 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:06" (1/1) ... [2022-10-17 16:46:06,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:46:06,534 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:46:06,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:46:06,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:06,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:06,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:06,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:06,807 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 16:46:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-10-17 16:46:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-10-17 16:46:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:46:07,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:07,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:46:07,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 16:46:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 16:46:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:46:07,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:07,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:07,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:07,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-10-17 16:46:08,236 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-10-17 16:46:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:46:08,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:08,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:08,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:08,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:46:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2022-10-17 16:46:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2022-10-17 16:46:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:46:08,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:08,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:46:08,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:46:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-10-17 16:46:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:46:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:46:09,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:09,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:09,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:46:09,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:46:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2022-10-17 16:46:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2022-10-17 16:46:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:46:10,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:10,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:10,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:10,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:46:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2022-10-17 16:46:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2022-10-17 16:46:10,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:46:10,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:10,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:10,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:46:10,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:11,121 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:46:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2022-10-17 16:46:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2022-10-17 16:46:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:46:12,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:12,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:12,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:46:12,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:46:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2022-10-17 16:46:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2022-10-17 16:46:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:12,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:12,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:12,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:12,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:46:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2022-10-17 16:46:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2022-10-17 16:46:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:46:13,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:13,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:46:13,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:46:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2022-10-17 16:46:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2022-10-17 16:46:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:46:14,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:14,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:14,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:46:14,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:15,056 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:46:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2022-10-17 16:46:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2022-10-17 16:46:15,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:46:15,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:15,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:15,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:15,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-17 16:46:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2022-10-17 16:46:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2022-10-17 16:46:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:46:16,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:16,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:16,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:46:16,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:46:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2022-10-17 16:46:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2022-10-17 16:46:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:46:18,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:18,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:18,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:46:18,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:46:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2022-10-17 16:46:19,631 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2022-10-17 16:46:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:46:19,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:19,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:19,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:19,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 16:46:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2022-10-17 16:46:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2022-10-17 16:46:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:46:20,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:20,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:46:20,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:46:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2022-10-17 16:46:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2022-10-17 16:46:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:46:22,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:22,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:22,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:46:22,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:46:24,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2022-10-17 16:46:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2022-10-17 16:46:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:46:24,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:24,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-10-17 16:46:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2022-10-17 16:46:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2022-10-17 16:46:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:46:24,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:24,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:46:24,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:46:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2022-10-17 16:46:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2022-10-17 16:46:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:46:26,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:26,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:28,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:46:28,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-17 16:46:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2022-10-17 16:46:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2022-10-17 16:46:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:46:30,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:30,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:30,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:30,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-10-17 16:46:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2022-10-17 16:46:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2022-10-17 16:46:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:46:31,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:31,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:31,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:46:31,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:31,926 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:46:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2022-10-17 16:46:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2022-10-17 16:46:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:46:33,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:33,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:38,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 16:46:38,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 30 proven. 107 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.