./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.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_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/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_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/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_760876fb-aece-492a-8dfa-12134f1a6913/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 c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 --- 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 16:57:57,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:57,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:57,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:57,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:57,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:57,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:57,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:57,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:57,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:57,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:57,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:57,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:57,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:57,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:57,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:57,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:57,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:57,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:57,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:57,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:57,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:57,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:57,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:57,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:57,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:57,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:57,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:57,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:57,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:57,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:57,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:57,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:57,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:57,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:57,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:57,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:57,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:57,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:57,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:57,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:57,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:57,379 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:57,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:57,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:57,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:57,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:57,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:57,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:57,387 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:57,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:57,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:57,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:57,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:57,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:57,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:57,390 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:57,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:57,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:57,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:57,391 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:57,391 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:57,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:57,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:57,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:57,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:57,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:57,393 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:57,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:57,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:57,394 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_760876fb-aece-492a-8dfa-12134f1a6913/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 [2022-10-17 16:57:57,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:57,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:57,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:57,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:57,787 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:57,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2022-10-17 16:57:57,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/data/34d278e9e/56f7d07896274b06b6c2fb802a38a2fb/FLAG34966bdce [2022-10-17 16:57:58,388 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:58,388 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2022-10-17 16:57:58,394 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/data/34d278e9e/56f7d07896274b06b6c2fb802a38a2fb/FLAG34966bdce [2022-10-17 16:57:58,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/data/34d278e9e/56f7d07896274b06b6c2fb802a38a2fb [2022-10-17 16:57:58,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:58,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:58,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:58,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:58,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:58,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d280a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:58, skipping insertion in model container [2022-10-17 16:57:58,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:58" (1/1) ... [2022-10-17 16:57:58,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:58,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:59,048 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_760876fb-aece-492a-8dfa-12134f1a6913/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c[454,467] [2022-10-17 16:57:59,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:59,082 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:59,098 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_760876fb-aece-492a-8dfa-12134f1a6913/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c[454,467] [2022-10-17 16:57:59,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:59,127 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:59,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59 WrapperNode [2022-10-17 16:57:59,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:59,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:59,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:59,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:59,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,176 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-10-17 16:57:59,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:59,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:59,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:59,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:59,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,216 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:59,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:59,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:59,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:59,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:59,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:59,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:59,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760876fb-aece-492a-8dfa-12134f1a6913/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:57:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:57:59,416 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:59,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:59,620 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:59,669 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:59,676 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:57:59,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:59 BoogieIcfgContainer [2022-10-17 16:57:59,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:59,680 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:59,681 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:59,698 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:59,699 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-10-17 16:57:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-10-17 16:57:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:57:59,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:59,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:59,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:59,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:00,149 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 16:58:00,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:58:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:58:00,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:58:00,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:00,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:00,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:00,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-10-17 16:58:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:58:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:58:00,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:01,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:01,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:01,135 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 16:58:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-10-17 16:58:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 16:58:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:58:01,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:01,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:01,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:58:01,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:01,605 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 16:58:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:01,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-10-17 16:58:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 16:58:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:58:01,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:01,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:01,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:58:01,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:02,217 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 16:58:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2022-10-17 16:58:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2022-10-17 16:58:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:58:02,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:58:02,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:02,891 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 16:58:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2022-10-17 16:58:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-10-17 16:58:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:58:03,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:58:03,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:03,671 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 16:58:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2022-10-17 16:58:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2022-10-17 16:58:04,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:04,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:04,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:04,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:58:04,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:04,571 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 16:58:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2022-10-17 16:58:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2022-10-17 16:58:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:58:05,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:05,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:05,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:58:05,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:58:06,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:06,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2022-10-17 16:58:06,366 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2022-10-17 16:58:06,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:58:06,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:06,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:06,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 16:58:06,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:58:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2022-10-17 16:58:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2022-10-17 16:58:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:58:07,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:07,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 16:58:07,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:58:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2022-10-17 16:58:09,132 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2022-10-17 16:58:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 16:58:09,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:09,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:09,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 16:58:09,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 20 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:58:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2022-10-17 16:58:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2022-10-17 16:58:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:58:10,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:10,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:10,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 16:58:10,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 22 proven. 187 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:58:12,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2022-10-17 16:58:12,923 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2022-10-17 16:58:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:58:12,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:12,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:13,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 16:58:13,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:58:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2022-10-17 16:58:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2022-10-17 16:58:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:58:15,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 16:58:15,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 26 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:58:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2022-10-17 16:58:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2022-10-17 16:58:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-17 16:58:18,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:18,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 63 conjunts are in the unsatisfiable core [2022-10-17 16:58:18,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 28 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:58:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2022-10-17 16:58:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2022-10-17 16:58:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-17 16:58:21,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:21,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:22,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 67 conjunts are in the unsatisfiable core [2022-10-17 16:58:22,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 30 proven. 345 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-17 16:58:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2022-10-17 16:58:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2022-10-17 16:58:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:58:25,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:26,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 71 conjunts are in the unsatisfiable core [2022-10-17 16:58:26,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:27,421 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 32 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 16:58:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2022-10-17 16:58:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2022-10-17 16:58:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-17 16:58:30,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 75 conjunts are in the unsatisfiable core [2022-10-17 16:58:30,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 34 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 16:58:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2022-10-17 16:58:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2022-10-17 16:58:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 16:58:34,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:34,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms