./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash f38de829dfd512f94c41a1284f8a0463f9c4f531c1d5a34c547f89222e3c0889 --- 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-2329fc7 [2022-12-14 19:01:42,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:01:42,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:01:42,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:01:42,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:01:42,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:01:42,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:01:42,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:01:42,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:01:42,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:01:42,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:01:42,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:01:42,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:01:42,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:01:42,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:01:42,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:01:42,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:01:42,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:01:42,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:01:42,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:01:42,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:01:42,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:01:42,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:01:42,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:01:42,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:01:42,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:01:42,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:01:42,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:01:42,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:01:42,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:01:42,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:01:42,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:01:42,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:01:42,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:01:42,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:01:42,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:01:42,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:01:42,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:01:42,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:01:42,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:01:42,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:01:42,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 19:01:42,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:01:42,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:01:42,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:01:42,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:01:42,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:01:42,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:01:42,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:01:42,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:01:42,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:01:42,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:01:42,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:01:42,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:01:42,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:01:42,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:01:42,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:01:42,642 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:01:42,642 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:01:42,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:01:42,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:01:42,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:01:42,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:01:42,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:01:42,643 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:01:42,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:01:42,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:01:42,644 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_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f38de829dfd512f94c41a1284f8a0463f9c4f531c1d5a34c547f89222e3c0889 [2022-12-14 19:01:42,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:01:42,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:01:42,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:01:42,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:01:42,836 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:01:42,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c [2022-12-14 19:01:45,419 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:01:45,635 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:01:45,635 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c [2022-12-14 19:01:45,648 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/data/f0816e996/6dac3898472e4f62b562e00cdd12ac9f/FLAG1ab19e262 [2022-12-14 19:01:45,659 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/data/f0816e996/6dac3898472e4f62b562e00cdd12ac9f [2022-12-14 19:01:45,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:01:45,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:01:45,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:01:45,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:01:45,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:01:45,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:01:45" (1/1) ... [2022-12-14 19:01:45,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f29ed09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:45, skipping insertion in model container [2022-12-14 19:01:45,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:01:45" (1/1) ... [2022-12-14 19:01:45,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:01:45,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:01:45,837 WARN L237 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_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1014,1027] [2022-12-14 19:01:46,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:01:46,156 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:01:46,164 WARN L237 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_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1014,1027] [2022-12-14 19:01:46,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:01:46,317 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:01:46,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46 WrapperNode [2022-12-14 19:01:46,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:01:46,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:01:46,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:01:46,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:01:46,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,474 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2655 [2022-12-14 19:01:46,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:01:46,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:01:46,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:01:46,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:01:46,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:01:46,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:01:46,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:01:46,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:01:46,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:46" (1/1) ... [2022-12-14 19:01:46,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:01:46,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:01:46,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:01:46,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a72ecb-f80e-4adc-ae5a-1ff7205ff82e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:01:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:01:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:01:47,011 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:01:47,013 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:09:51,293 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:09:51,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:09:51,325 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:09:51,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:09:51 BoogieIcfgContainer [2022-12-14 19:09:51,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:09:51,328 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:09:51,328 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:09:51,337 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:09:51,337 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:09:51" (1/1) ... [2022-12-14 19:09:51,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:09:51,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 19:09:51,392 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 19:09:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:09:51,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:51,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:03,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 19:10:13,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 19:10:17,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 19:10:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-14 19:10:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-14 19:10:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:10:17,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:15:08,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.