./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.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_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/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_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/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_fcd77b2b-9049-48cd-9811-27090d12811a/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 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 --- 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 17:01:52,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:52,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:52,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:52,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:52,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:52,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:52,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:52,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:52,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:52,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:52,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:52,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:52,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:52,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:52,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:52,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:52,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:52,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:52,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:52,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:52,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:52,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:52,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:52,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:52,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:52,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:52,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:52,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:52,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:52,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:52,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:52,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:52,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:52,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:52,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:52,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:52,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:52,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:52,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:52,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:52,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:52,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:52,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:52,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:52,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:52,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:52,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:52,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:52,273 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:52,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:52,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:52,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:52,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:52,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:52,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:52,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:52,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:52,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:52,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:52,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:52,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:52,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:52,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:52,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:52,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:52,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:52,278 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:52,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:52,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:52,278 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_fcd77b2b-9049-48cd-9811-27090d12811a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 [2022-10-17 17:01:52,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:52,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:52,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:52,555 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:52,556 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:52,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2022-10-17 17:01:52,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/data/5228cbc07/a46fe066882043b89517e754bd1c649f/FLAG454f16f05 [2022-10-17 17:01:53,211 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:53,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2022-10-17 17:01:53,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/data/5228cbc07/a46fe066882043b89517e754bd1c649f/FLAG454f16f05 [2022-10-17 17:01:53,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/data/5228cbc07/a46fe066882043b89517e754bd1c649f [2022-10-17 17:01:53,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:53,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:53,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:53,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:53,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:53,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:53,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f94b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53, skipping insertion in model container [2022-10-17 17:01:53,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:53,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:53,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:53,783 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_fcd77b2b-9049-48cd-9811-27090d12811a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c[525,538] [2022-10-17 17:01:53,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:53,858 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:53,875 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_fcd77b2b-9049-48cd-9811-27090d12811a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c[525,538] [2022-10-17 17:01:53,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:53,934 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:53,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53 WrapperNode [2022-10-17 17:01:53,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:53,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:53,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:53,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:53,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:53,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:53,991 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-10-17 17:01:53,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:53,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:53,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:53,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:54,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,028 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:54,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:54,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:54,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:54,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:53" (1/1) ... [2022-10-17 17:01:54,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:54,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:54,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:54,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd77b2b-9049-48cd-9811-27090d12811a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:54,192 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:54,194 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:54,392 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:54,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:54,471 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:01:54,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:54 BoogieIcfgContainer [2022-10-17 17:01:54,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:54,476 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:54,476 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:54,488 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:54,489 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:54" (1/1) ... [2022-10-17 17:01:54,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2022-10-17 17:01:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-10-17 17:01:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:54,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:54,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:54,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:54,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:54,878 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 17:01:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2022-10-17 17:01:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-10-17 17:01:54,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:54,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:54,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:55,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:55,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:55,108 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 17:01:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2022-10-17 17:01:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2022-10-17 17:01:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:55,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:55,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:55,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:55,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:55,263 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 17:01:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 17:01:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 17:01:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:55,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:55,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:55,946 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 17:02:06,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 17:02:17,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 17:02:27,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 17:02:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2022-10-17 17:02:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2022-10-17 17:02:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:02:28,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:02:28,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2022-10-17 17:02:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-10-17 17:02:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:28,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:32,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2022-10-17 17:02:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2022-10-17 17:02:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:32,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:32,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:32,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:02:32,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2022-10-17 17:02:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2022-10-17 17:02:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:33,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:33,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.